-al -ol a-a a-t aaa aak aal aao aar aas aat aka akk akl ako akr aks al- ala alk all alo alr als alt aoa aok aol aoo aor aos aot ar- ara ark arl aro arr ars art as- asa ask asl aso asr ass ast at- ata atl ato atr ats att k-t ka- kaa kak kal kao kar kas kat kkk kkl kkr kks kkt kl- kla klo klr kls klt koa kok kol koo kor kos kot kra krk krl kro krr krs krt ksa ksk ksl kso ksr kss kst kta ktk ktl kto ktr kts ktt la- laa lak lal lao lar las lat lka lkl lkr lks lkt lla llk lll llo llr lls llt loa lok lol loo lor los lot lra lrk lro lrr lrs lrt lsa lsk lsl lso lsr lss lst lta ltk ltl lto ltr lts ltt oaa oak oal oao oar oas oat oka okk okl oko okr oks ola olk oll olo ols olt oo- ooa ook ool ooo oor oos oot or- ora ork orl oro orr ors ort os- osa osk osl oso osr oss ost ot- ota otk otl oto otr ots ott ra- raa rak ral rao rar ras rat rkk rko rks rkt rla rll rlo rlr rls rlt roa rok rol roo ror ros rot rra rrk rrl rrr rrs rrt rsa rsk rsl rso rsr rss rst rta rtk rtl rto rtr rts rtt saa sak sal sao sar sas sat sk- ska skk skl sko skr sks skt sla slk sll slo slr sls slt soa sok sol soo sor sos sot sr- sra srk srl sro srr srs srt ss- ssa ssk ssl sso ssr sss sst sta stk stl sto str sts stt taa tak tal tao tar tas tat tka tkk tkl tko tkr tks tkt tla tlk tll tlo tlr tls tlt to- toa tok tol too tor tos tot tra trk trl tro trr trs trt tsa tsk tsl tso tsr tss tst tta ttk ttl tto ttr tts ttt