-al -ol a-a a-c aaa aac aak aal aao aar aas aau ac- aca acc ack acl aco acr acs acu aka akc akk akl ako akr aks aku al- ala alc alk all alo alr als alu aoa aoc aok aol aoo aor aos aou ar- ara arc ark arl aro arr ars aru as- asa asc ask asl aso asr ass asu au- aua auc auk aul auo aur aus c-- caa cac cak cal cao car cas cau cca ccc cck ccl cco ccr ccs ccu cka ckc cko cks cl- cla clc clk cll clo clr cls clu co- coa coc cok col coo cor cos cou cra crc crk crl cro crr crs cru csa csc csk csl cso csr css csu cua cuc cuk cul cuo cur cus cuu ka- kaa kac kak kal kao kar kas kau kca kcc kck kcl kcr kcs kcu kkc kkk kkl kkr kks kku kl- kla klc klo klr kls klu koa koc kok kol koo kor kos kou kra krc krk krl kro krr krs kru ksa ksc ksk ksl kso ksr kss ksu kuc kuk kul kur kus kuu la- laa lac lak lal lao lar las lau lca lcc lck lcl lco lcr lcs lcu lka lkl lkr lks lla llc llk lll llo llr lls llu loa loc lok lol loo lor los lou lra lrc lrk lro lrr lrs lru lsa lsc lsk lsl lso lsr lss lsu lua luc luk lul luo lur lus luu oaa oac oak oal oao oar oas oau oc- oca occ ock ocl oco ocr ocs ocu oka okc okk okl oko okr oks oku ola olc olk oll olo ols olu oo- ooa ooc ook ool ooo oor oos or- ora orc ork orl oro orr ors oru os- osa osc osk osl oso osr oss osu ou- oua ouc ouk oul ouo our ous ra- raa rac rak ral rao rar ras rau rca rcc rcl rco rcr rcs rcu rkc rkk rko rks rku rla rlc rll rlo rlr rls rlu roa roc rok rol roo ror ros rou rra rrc rrk rrl rrr rrs rru rsa rsc rsk rsl rso rsr rss rsu rua ruc ruk ruo rur rus ruu saa sac sak sal sao sar sas sau sca scc sck scl sco scr scs scu sk- ska skc skk skl sko skr sks sku sla slc slk sll slo slr sls slu soa soc sok sol soo sor sos sou sr- sra src srk srl sro srr srs ss- ssa ssc ssk ssl sso ssr sss ssu sua suc suk sul suo sur sus suu ua- uaa uac uak ual uao uar uas uau uca ucc uck ucl uco ucr ucs ucu uka ukc ukk ukl ukr uku ula ulc ulk ull ulo ulr uls ulu uoa uoc uok uol uoo uor uos ur- ura urc urk url uro urr urs uru usa usc usk usl uso usr uss usu uua uuc uur uus uuu