-al -ic -ol a-a a-b a-c a-i aaa aab aac aai aak aal aam aao aar ab- aba abb abc abi abk abl abm abo abr ac- aca acb acc aci ack acl acm aco acr ai- aia aib aic aii aik ail aim aio air aka akb akc aki akk akl akm ako akr al- ala alb alc ali alk all alm alo alr ama amb amc ami amk aml amm amo amr aoa aob aoc aoi aok aol aom aoo aor ar- ara arb arc ari ark arl arm aro arr baa bab bac bai bak bal bam bao bar bba bbb bbc bbi bbk bbl bbm bbo bbr bca bcb bcc bci bck bcl bcm bco bcr bi- bia bib bic bii bik bil bim bio bir bka bkb bkc bkk bkl bkm bko bkr bla blb blc bli blk bll blm blo blr bma bmb bmc bmi bmk bml bmm bmo bmr boa bob boc boi bok bol bom boo bor bra brb bri brk brl brm bro brr c-- caa cab cac cai cak cal cam cao car cba cbb cbc cbi cbk cbl cbm cbo cbr cca ccb ccc cci cck ccl ccm cco ccr ci- cia cib cic cii cik cil cim cio cir cka ckb ckc cki ckm cko cl- cla clb clc cli clk cll clm clo clr cma cmb cmc cmi cmk cml cmm cmo cmr co- coa cob coc coi cok col com coo cor cra crb crc cri crk crl crm cro crr ia- iaa iab iac iai ial iam iao iar iba ibb ibc ibi ibk ibl ibm ibo ibr ica icb icc ici ick icl icm ico icr iia iib iic iii iil iim iio iir ika ikb ikc iki ikk ikl iko ikr il- ila ilb ilc ili ilk ill ilm ilo ilr im- ima imb imc imi iml imm imo io- ioa iob ioc ioi iol iom ioo ior ir- ira irb irc iri irk irl irm iro irr ka- kaa kab kac kai kak kal kam kao kar kba kbb kbc kbi kbk kbl kbm kbo kbr kca kcb kcc kci kck kcl kcm kcr kia kib kic kii kik kil kim kio kir kkb kkc kki kkk kkl kkm kkr kl- kla klb klc kli klm klo klr kma kmb kmc kmi kmk kml kmm kmo koa kob koc koi kok kol kom koo kor kra krc kri krk krl kro krr la- laa lab lac lai lak lal lam lao lar lba lbb lbc lbi lbk lbl lbm lbo lbr lca lcb lcc lci lck lcl lcm lco lcr lia lib lic lii lik lil lim lio lir lka lkb lkl lkr lla llb llc lli llk lll llm llo llr lma lmb lmc lmi lmk lml lmm lmo lmr loa lob loc loi lok lol lom loo lor lra lrb lrc lri lrk lrm lro lrr m-o m-r maa mab mac mai mak mal mam mao mar mba mbb mbc mbi mbk mbl mbm mbo mbr mc- mca mcb mcc mci mck mcl mcm mco mcr mi- mia mib mic mii mik mil mim mio mir mka mkb mkc mkk mkl mkm mko mkr mla mlb mlc mli mlk mll mlm mlo mlr mma mmb mmc mmi mmk mml mmm mmo mmr moa mob moc moi mok mol mom moo mor mra mrb mrc mri mrk mrl mrm mro mrr o-i oaa oab oac oai oak oal oam oao oar ob- oba obb obc obi obk obl obm obo obr oc- oca ocb occ oci ock ocl ocm oco ocr oia oib oic oii oik oil oim oio oir oka okb okc oki okk okl oko okr ola olb olc oli olk oll olm olo om- oma omb omc omi oml omm omo omr oo- ooa oob ooc ooi ook ool oom ooo oor or- ora orb orc ori ork orl orm oro orr ra- raa rab rac rai rak ral ram rao rar rba rbb rbc rbi rbk rbl rbm rbo rbr rca rcb rcc rci rcl rcm rco rcr ria rib ric rii rik ril rim rio rir rkb rkc rkk rkm rko rla rlc rli rll rlm rlo rlr rma rmb rmc rmi rml rmm rmo rmr roa rob roc roi rok rol rom roo ror rra rrb rrc rri rrk rrl rrm rrr