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While in this service he invented a phonetic alphabet for the blind , consisting of 41 characters , sufficiently like the roman letters to be read by any one , to which he also added 22 prefixes , suffixes , & o. he also simplified the mathematical characters for the blind , using but 4 , instead of 10 , and printed maps for the use of the blind . As far as I 'm aware , he was the first linguist to note that English , in addition to having suffixes and prefixes , has at least one productive infix , i.e. ' fucking ' , as in ' abso-fucking-lutely ' and ' Ala-fucking-bama ' . Also available to one who feels the need for a new word to name a new thing or express a new idea is the very considerable store of prefixes , suffixes , and combining forms that already exist in English . Each TRD should develop policy on whether and under what conditions to accept addresses that are not based on its own address prefix , and how such non-local addresses will be treated . For immunoelectron microscopy , immunoperoxidase reaction was carried out on prefixed , small thyroid tissue blocks . Using an AS merely for the sake of having an AS is to be avoided , as is the worst-case scenario of one AS per classful network ( the IDEAL situation is to have one prefix , containing many longer prefixes , per AS ) . In the following example , the DC-XML-Min Qualified Name used as the value of the ` dcxm : resourceQualName ` attribute has no prefix , and the namespace URI from the default namespace declaration is applied . Lastly , there is no support for policies other than route - properties ( such as AS-origin , AS-path , destination prefix , MED-values etc ) . In addition , by precomputing hash tables that hold all forwarding entries associated with each 16-bit prefix , they can " mutate " the hash table on the fly , further reducing the number of memory accesses to an average of two per lookup . Most titles have differing levels of responsibility therefore the title may include a prefix , the prefix or level also has a bearing on compensation . The prefixes , suffixes , and various symbols used for infinity , digits , thousands separators , decimal separators , etc. may be set to arbitrary values , and they will appear properly during formatting .