-al -ic -ol a-a a-c a-i aaa aac aai aak aal aao aar aas ac- aca acc aci ack acl aco acr acs ai- aia aic aii aik ail aio air ais aka akc aki akk akl ako akr aks al- ala alc ali alk all alo alr als aoa aoc aoi aok aol aoo aor aos ar- ara arc ari ark arl aro arr ars as- asa asc asi ask asl aso asr ass c-- caa cac cai cak cal cao car cas cca ccc cci cck ccl cco ccr ccs ci- cia cic cii cik cil cio cir cis cka ckc cki cko cks cl- cla clc cli clk cll clo clr cls co- coa coc coi cok col coo cor cos cra crc cri crk crl cro crr crs csa csc csi csk csl cso csr css ia- iaa iac iai ial iao iar ias ica icc ici ick icl ico icr ics iia iic iii iil iio iir iis ika ikc iki ikk ikl iko ikr iks il- ila ilc ili ilk ill ilo ilr ils io- ioa ioc ioi iol ioo ior ios ir- ira irc iri irk irl iro irr irs is- isa isc isi isk isl iso isr iss ka- kaa kac kai kak kal kao kar kas kca kcc kci kck kcl kcr kcs kia kic kii kik kil kio kir kis kkc kki kkk kkl kkr kks kl- kla klc kli klo klr kls koa koc koi kok kol koo kor kos kra krc kri krk krl kro krr krs ksa ksc ksi ksk ksl kso ksr kss la- laa lac lai lak lal lao lar las lca lcc lci lck lcl lco lcr lcs lia lic lii lik lil lio lir lis lka lkl lkr lks lla llc lli llk lll llo llr lls loa loc loi lok lol loo lor los lra lrc lri lrk lro lrr lrs lsa lsc lsi lsk lsl lso lsr lss o-i oaa oac oai oak oal oao oar oas oc- oca occ oci ock ocl oco ocr ocs oia oic oii oik oil oio oir ois oka okc oki okk okl oko okr oks ola olc oli olk oll olo ols oo- ooa ooc ooi ook ool ooo oor oos or- ora orc ori ork orl oro orr ors os- osa osc osi osk osl oso osr oss ra- raa rac rai rak ral rao rar ras rca rcc rci rcl rco rcr rcs ria ric rii rik ril rio rir ris rkc rkk rko rks rla rlc rli rll rlo rlr rls roa roc roi rok rol roo ror ros rra rrc rri rrk rrl rrr rrs rsa rsc rsi rsk rsl rso rsr rss saa sac sai sak sal sao sar sas sca scc sci sck scl sco scr scs sia sic sii sik sil sio sir sis sk- ska skc ski skk skl sko skr sks sla slc sli slk sll slo slr sls soa soc soi sok sol soo sor sos sr- sra src sri srk srl sro srr srs ss- ssa ssc ssi ssk ssl sso ssr sss