-al a-a a-b a-i a-t aaa aab aai aak aal aam aas aat ab- aba abb abi abk abl abm abs abt ai- aia aib aii aik ail aim ais ait aka akb aki akk akl akm aks al- ala alb ali alk all alm als alt ama amb ami amk aml amm ams amt as- asa asb asi ask asl asm ass ast at- ata atb ati atl atm ats att baa bab bai bak bal bam bas bat bba bbb bbi bbk bbl bbm bbs bbt bi- bia bib bii bik bil bim bis bit bka bkb bkk bkl bkm bks bkt bla blb bli blk bll blm bls blt bma bmb bmi bmk bml bmm bms bmt bsa bsb bsi bsk bsl bsm bss bst bta btb bti btk btl btm bts btt ia- iaa iab iai ial iam ias iat iba ibb ibi ibk ibl ibm ibs ibt iia iib iii iil iim iis iit ika ikb iki ikk ikl iks ikt il- ila ilb ili ilk ill ilm ils ilt im- ima imb imi iml imm ims imt is- isa isb isi isk isl ism iss ist ita itb iti itk itl itm its itt k-t ka- kaa kab kai kak kal kam kas kat kba kbb kbi kbk kbl kbm kbs kia kib kii kik kil kim kis kit kkb kki kkk kkl kkm kks kkt kl- kla klb kli klm kls klt kma kmb kmi kmk kml kmm kms kmt ksa ksb ksi ksk ksl ksm kss kst kta ktb ktk ktl ktm kts ktt la- laa lab lai lak lal lam las lat lba lbb lbi lbk lbl lbm lbs lbt lia lib lii lik lil lim lis lit lka lkb lkl lks lkt lla llb lli llk lll llm lls llt lma lmb lmi lmk lml lmm lms lmt lsa lsb lsi lsk lsl lsm lss lst lta ltb lti ltk ltl ltm lts ltt maa mab mai mak mal mam mas mat mba mbb mbi mbk mbl mbm mbs mbt mi- mia mib mii mik mil mim mis mit mka mkb mkk mkl mkm mks mkt mla mlb mli mlk mll mlm mls mlt mma mmb mmi mmk mml mmm mms mmt msa msb msi msk msl msm mss mst mta mtb mti mtk mtl mtm mts mtt saa sab sai sak sal sam sas sat sba sbb sbi sbk sbl sbm sbs sbt sia sib sii sik sil sim sis sit sk- ska skb ski skk skl skm sks skt sla slb sli slk sll slm sls slt sma smb smi smk sml smm sms smt ss- ssa ssb ssi ssk ssl ssm sss sst sta stb sti stk stl stm sts stt taa tab tai tak tal tam tas tat tba tbb tbi tbk tbl tbm tbs tbt tia tib tii tik til tim tis tit tka tkb tkk tkl tkm tks tkt tla tli tlk tll tlm tls tlt tma tmb tmi tmk tml tmm tms tmt tsa tsb tsi tsk tsl tsm tss tst tta ttb tti ttk ttl ttm tts ttt