a-a a-b a-i a-t a-z aaa aab aai aak aar aas aat aaz ab- aba abb abi abk abr abs abt abz ai- aia aib aii aik air ais ait aiz aka akb aki akk akr aks ar- ara arb ari ark arr ars art arz as- asa asb asi ask asr ass ast asz at- ata atb ati atr ats att atz az- aza azb azi azs azt azz baa bab bai bak bar bas bat baz bba bbb bbi bbk bbr bbs bbt bi- bia bib bii bik bir bis bit biz bka bkb bkk bkr bks bkt bra brb bri brk brr brs brt brz bsa bsb bsi bsk bsr bss bst bta btb bti btk btr bts btt btz bza bzr bzs bzz ia- iaa iab iai iar ias iat iaz iba ibb ibi ibk ibr ibs ibt ibz iia iib iii iir iis iit ika ikb iki ikk ikr iks ikt ir- ira irb iri irk irr irs irt is- isa isb isi isk isr iss ist ita itb iti itk its itt itz iza izi izz k-t k-z ka- kaa kab kai kak kar kas kat kaz kba kbb kbi kbk kbr kbs kbz kia kib kii kik kir kis kit kiz kkb kki kkk kkr kks kkt kra kri krk krr krs krt ksa ksb ksi ksk ksr kss kst kta ktb ktk ktr kts ktt ra- raa rab rai rak rar ras rat raz rba rbb rbi rbk rbr rbs rbt ria rib rii rik rir ris rit riz rkb rkk rks rkt rkz rra rrb rri rrk rrr rrs rrt rsa rsb rsi rsk rsr rss rst rta rtb rti rtk rtr rts rtt rtz rza rzb saa sab sai sak sar sas sat saz sba sbb sbi sbk sbr sbs sbt sia sib sii sik sir sis sit sk- ska skb ski skk skr sks skt sr- sra srb sri srk srr srs srt ss- ssa ssb ssi ssk ssr sss sst ssz sta stb sti stk str sts stt stz sza szi szr taa tab tai tak tar tas tat taz tba tbb tbi tbk tbr tbs tbt tbz tia tib tii tik tir tis tit tiz tka tkb tkk tkr tks tkt tkz tra trb tri trk trr trs trt trz tsa tsb tsi tsk tsr tss tst tta ttb tti ttk ttr tts ttt tza tzs zaa zab zai zak zar zas zat zaz zbb zbr zbs zbt zia zib zik zir zis zit ziz zka zks zrs zsa zsi zst zsz zta ztr zzr zzs zzt zzz