-al -ol a-a a-c aaa aac aah aak aal aao aar aas ac- aca acc ach ack acl aco acr acs aha ahc ahh ahk ahl aho ahr ahs aka akc akh akk akl ako akr aks al- ala alc alh alk all alo alr als aoa aoc aoh aok aol aoo aor aos ar- ara arc arh ark arl aro arr ars as- asa asc ash ask asl aso asr ass c-- caa cac cah cak cal cao car cas cca ccc cch cck ccl cco ccr ccs ch- cha chc chh chk chl cho chr chs cka ckc ckh cko cks cl- cla clc clh clk cll clo clr cls co- coa coc coh cok col coo cor cos cra crc crh crk crl cro crr crs csa csc csh csk csl cso csr css haa hac hah hak hal hao har has hca hcc hch hck hcl hco hcr hcs hha hhc hhh hhk hhl hho hhr hhs hka hkh hkk hkl hko hkr hks hla hlc hlh hll hlo hlr hls hoa hoc hoh hok hol hoo hor hos hr- hra hrc hrh hrk hrl hro hrr hrs hsa hsc hsh hsk hsl hsr hss ka- kaa kac kah kak kal kao kar kas kca kcc kch kck kcl kcr kcs kha khh khk kho khr khs kkc kkh kkk kkl kkr kks kl- kla klc klh klo klr kls koa koc koh kok kol koo kor kos kra krc krk krl kro krr krs ksa ksc ksh ksk ksl kso ksr kss la- laa lac lah lak lal lao lar las lca lcc lch lck lcl lco lcr lcs lha lhc lhh lhk lho lhr lhs lka lkh lkl lkr lks lla llc llk lll llo llr lls loa loc loh lok lol loo lor los lra lrc lrh lrk lro lrr lrs lsa lsc lsh lsk lsl lso lsr lss oaa oac oah oak oal oao oar oas oc- oca occ och ock ocl oco ocr ocs oha ohc ohh ohl oho ohr ohs oka okc okk okl oko okr oks ola olc olk oll olo ols oo- ooa ooc ooh ook ool ooo oor oos or- ora orc orh ork orl oro orr ors os- osa osc osh osk osl oso osr oss ra- raa rac rah rak ral rao rar ras rca rcc rch rcl rco rcr rcs rh- rha rhc rhh rhl rho rhr rhs rkc rkk rko rks rla rlc rlh rll rlo rlr rls roa roc roh rok rol roo ror ros rra rrc rrh rrk rrl rrr rrs rsa rsc rsh rsk rsl rso rsr rss saa sac sah sak sal sao sar sas sca scc sch sck scl sco scr scs sh- sha shc shh shk shl sho shr shs sk- ska skc skh skk skl sko skr sks sla slc slh slk sll slo slr sls soa soc soh sok sol soo sor sos sr- sra src srh srk srl sro srr srs ss- ssa ssc ssh ssk ssl sso ssr sss