a-a a-i a-q aaa aaf aai aaq aas af- afa aff afi afq afs ai- aia aif aii aiq ais aqa aqf aqi aqs as- asa asf asi asq ass faa faf fai faq fas ffa fff ffi ffs fia fif fii fiq fis fsa fsf fsi fsq fss i-f ia- iaa iaf iai iaq ias ifa iff ifi ifs iia iif iii iis iqa iqs is- isa isf isi isq iss qaa qaf qas qfa qff qfi qfs qis qqq qsa qsi saa saf sai saq sas sfa sff sfi sfs sia sif sii siq sis sqa sqi sqq sqs ss- ssa ssf ssi ssq sss