a-a a-t aaa aak aam aao aar aas aat aka akk akm ako akr aks ama amk amm amo amr ams amt aoa aok aom aoo aor aos aot ar- ara ark arm aro arr ars art as- asa ask asm aso asr ass ast at- ata atm ato atr ats att k-t ka- kaa kak kam kao kar kas kat kkk kkm kkr kks kkt kma kmk kmm kmo kms kmt koa kok kom koo kor kos kot kra krk kro krr krs krt ksa ksk ksm kso ksr kss kst kta ktk ktm kto ktr kts ktt m-o m-r maa mak mam mao mar mas mat mka mkk mkm mko mkr mks mkt mma mmk mmm mmo mmr mms mmt moa mok mom moo mor mos mot mra mrk mrm mro mrr mrs mrt msa msk msm mso msr mss mst mta mtk mtm mto mtr mts mtt oaa oak oam oao oar oas oat oka okk oko okr oks om- oma omm omo omr oms omt oo- ooa ook oom ooo oor oos oot or- ora ork orm oro orr ors ort os- osa osk osm oso osr oss ost ot- ota otk otm oto otr ots ott ra- raa rak ram rao rar ras rat rkk rkm rko rks rkt rma rmm rmo rmr rms rmt roa rok rom roo ror ros rot rra rrk rrm rrr rrs rrt rsa rsk rsm rso rsr rss rst rta rtk rtm rto rtr rts rtt saa sak sam sao sar sas sat sk- ska skk skm sko skr sks skt sma smk smm smo smr sms smt soa sok som soo sor sos sot sr- sra srk srm sro srr srs srt ss- ssa ssk ssm sso ssr sss sst sta stk stm sto str sts stt taa tak tam tao tar tas tat tka tkk tkm tko tkr tks tkt tma tmk tmm tmo tmr tms tmt to- toa tok tom too tor tos tot tra trk trm tro trr trs trt tsa tsk tsm tso tsr tss tst tta ttk ttm tto ttr tts ttt