-al -ic -ol a-a a-c a-i aaa aac aag aai aak aal aao aar ac- aca acc acg aci ack acl aco acr ag- aga agc agg agi agk agl ago agr ai- aia aic aig aii aik ail aio air aka akc akg aki akk akl ako akr al- ala alc alg ali alk all alo alr aoa aoc aog aoi aok aol aoo aor ar- ara arc arg ari ark arl aro arr c-- caa cac cag cai cak cal cao car cca ccc ccg cci cck ccl cco ccr cga cgc cgg cgi cgl cgo cgr ci- cia cic cig cii cik cil cio cir cka ckc cki cko cl- cla clc clg cli clk cll clo clr co- coa coc cog coi cok col coo cor cra crc crg cri crk crl cro crr gaa gac gag gai gak gal gao gar gca gcc gcg gci gck gcl gco gcr gga ggc ggg ggi ggo ggr gia gic gig gii gik gil gio gir gka gko gla glc glg gli glk gll glo glr goa goc gog goi gok gol goo gor gra grc grg gri grk grl gro grr ia- iaa iac iag iai ial iao iar ica icc icg ici ick icl ico icr iga igc igg igi igk igl igo igr iia iic iii iil iio iir ika ikc iki ikk ikl iko ikr il- ila ilc ilg ili ilk ill ilo ilr io- ioa ioc iog ioi iol ioo ior ir- ira irc irg iri irk irl iro irr ka- kaa kac kag kai kak kal kao kar kca kcc kcg kci kck kcl kcr kga kgc kgi kgl kgo kia kic kig kii kik kil kio kir kkc kki kkk kkl kkr kl- kla klc klg kli klo klr koa koc kog koi kok kol koo kor kra krc krg kri krk krl kro krr la- laa lac lag lai lak lal lao lar lca lcc lcg lci lck lcl lco lcr lga lgc lgg lgi lgk lgl lgo lgr lia lic lig lii lik lil lio lir lka lkg lkl lkr lla llc llg lli llk lll llo llr loa loc log loi lok lol loo lor lra lrc lrg lri lrk lro lrr o-i oaa oac oag oai oak oal oao oar oc- oca occ ocg oci ock ocl oco ocr oga ogc ogg ogi ogl ogo oia oic oii oik oil oio oir oka okc okg oki okk okl oko okr ola olc olg oli olk oll olo oo- ooa ooc oog ooi ook ool ooo oor or- ora orc org ori ork orl oro orr ra- raa rac rag rai rak ral rao rar rca rcc rcg rci rcl rco rcr rga rgc rgg rgi rgk rgo rgr ria ric rig rii rik ril rio rir rkc rkg rkk rko rla rlc rlg rli rll rlo rlr roa roc rog roi rok rol roo ror rra rrc rrg rri rrk rrl rrr