-al a-a a-b a-i aaa aab aai aak aal aam aar aas ab- aba abb abi abk abl abm abr abs ai- aia aib aii aik ail aim air ais aka akb aki akk akl akm akr aks al- ala alb ali alk all alm alr als ama amb ami amk aml amm amr ams ar- ara arb ari ark arl arm arr ars as- asa asb asi ask asl asm asr ass baa bab bai bak bal bam bar bas bba bbb bbi bbk bbl bbm bbr bbs bi- bia bib bii bik bil bim bir bis bka bkb bkk bkl bkm bkr bks bla blb bli blk bll blm blr bls bma bmb bmi bmk bml bmm bmr bms bra brb bri brk brl brm brr brs bsa bsb bsi bsk bsl bsm bsr bss ia- iaa iab iai ial iam iar ias iba ibb ibi ibk ibl ibm ibr ibs iia iib iii iil iim iir iis ika ikb iki ikk ikl ikr iks il- ila ilb ili ilk ill ilm ilr ils im- ima imb imi iml imm ims ir- ira irb iri irk irl irm irr irs is- isa isb isi isk isl ism isr iss ka- kaa kab kai kak kal kam kar kas kba kbb kbi kbk kbl kbm kbr kbs kia kib kii kik kil kim kir kis kkb kki kkk kkl kkm kkr kks kl- kla klb kli klm klr kls kma kmb kmi kmk kml kmm kms kra kri krk krl krr krs ksa ksb ksi ksk ksl ksm ksr kss la- laa lab lai lak lal lam lar las lba lbb lbi lbk lbl lbm lbr lbs lia lib lii lik lil lim lir lis lka lkb lkl lkr lks lla llb lli llk lll llm llr lls lma lmb lmi lmk lml lmm lmr lms lra lrb lri lrk lrm lrr lrs lsa lsb lsi lsk lsl lsm lsr lss m-r maa mab mai mak mal mam mar mas mba mbb mbi mbk mbl mbm mbr mbs mi- mia mib mii mik mil mim mir mis mka mkb mkk mkl mkm mkr mks mla mlb mli mlk mll mlm mlr mls mma mmb mmi mmk mml mmm mmr mms mra mrb mri mrk mrl mrm mrr mrs msa msb msi msk msl msm msr mss ra- raa rab rai rak ral ram rar ras rba rbb rbi rbk rbl rbm rbr rbs ria rib rii rik ril rim rir ris rkb rkk rkm rks rla rli rll rlm rlr rls rma rmb rmi rml rmm rmr rms rra rrb rri rrk rrl rrm rrr rrs rsa rsb rsi rsk rsl rsm rsr rss saa sab sai sak sal sam sar sas sba sbb sbi sbk sbl sbm sbr sbs sia sib sii sik sil sim sir sis sk- ska skb ski skk skl skm skr sks sla slb sli slk sll slm slr sls sma smb smi smk sml smm smr sms sr- sra srb sri srk srl srm srr srs ss- ssa ssb ssi ssk ssl ssm ssr sss