-al -ic a-a a-b a-c a-i aaa aab aac aai aak aal aam aar ab- aba abb abc abi abk abl abm abr ac- aca acb acc aci ack acl acm acr ai- aia aib aic aii aik ail aim air aka akb akc aki akk akl akm akr al- ala alb alc ali alk all alm alr ama amb amc ami amk aml amm amr ar- ara arb arc ari ark arl arm arr baa bab bac bai bak bal bam bar bba bbb bbc bbi bbk bbl bbm bbr bca bcb bcc bci bck bcl bcm bcr bi- bia bib bic bii bik bil bim bir bka bkb bkc bkk bkl bkm bkr bla blb blc bli blk bll blm blr bma bmb bmc bmi bmk bml bmm bmr bra brb bri brk brl brm brr c-- caa cab cac cai cak cal cam car cba cbb cbc cbi cbk cbl cbm cbr cca ccb ccc cci cck ccl ccm ccr ci- cia cib cic cii cik cil cim cir cka ckb ckc cki ckm cl- cla clb clc cli clk cll clm clr cma cmb cmc cmi cmk cml cmm cmr cra crb crc cri crk crl crm crr ia- iaa iab iac iai ial iam iar iba ibb ibc ibi ibk ibl ibm ibr ica icb icc ici ick icl icm icr iia iib iic iii iil iim iir ika ikb ikc iki ikk ikl ikr il- ila ilb ilc ili ilk ill ilm ilr im- ima imb imc imi iml imm ir- ira irb irc iri irk irl irm irr ka- kaa kab kac kai kak kal kam kar kba kbb kbc kbi kbk kbl kbm kbr kca kcb kcc kci kck kcl kcm kcr kia kib kic kii kik kil kim kir kkb kkc kki kkk kkl kkm kkr kl- kla klb klc kli klm klr kma kmb kmc kmi kmk kml kmm kra krc kri krk krl krr la- laa lab lac lai lak lal lam lar lba lbb lbc lbi lbk lbl lbm lbr lca lcb lcc lci lck lcl lcm lcr lia lib lic lii lik lil lim lir lka lkb lkl lkr lla llb llc lli llk lll llm llr lma lmb lmc lmi lmk lml lmm lmr lra lrb lrc lri lrk lrm lrr m-r maa mab mac mai mak mal mam mar mba mbb mbc mbi mbk mbl mbm mbr mc- mca mcb mcc mci mck mcl mcm mcr mi- mia mib mic mii mik mil mim mir mka mkb mkc mkk mkl mkm mkr mla mlb mlc mli mlk mll mlm mlr mma mmb mmc mmi mmk mml mmm mmr mra mrb mrc mri mrk mrl mrm mrr ra- raa rab rac rai rak ral ram rar rba rbb rbc rbi rbk rbl rbm rbr rca rcb rcc rci rcl rcm rcr ria rib ric rii rik ril rim rir rkb rkc rkk rkm rla rlc rli rll rlm rlr rma rmb rmc rmi rml rmm rmr rra rrb rrc rri rrk rrl rrm rrr