a-a a-t aaa aaf aak aam aao aar aas aat af- afa aff afk afm afo afr afs aft aka akk akm ako akr aks ama amf amk amm amo amr ams amt aoa aof aok aom aoo aor aos aot ar- ara arf ark arm aro arr ars art as- asa asf ask asm aso asr ass ast at- ata atf atm ato atr ats att faa faf fak fam fao far fas fat ffa fff ffk ffm ffo ffr ffs fft fka fkf fkk fkm fkt fma fmf fmm fmo fmr fms fmt foa fof fok fom foo for fos fot fra frf frk frm fro frr frs frt fsa fsf fsk fsm fso fsr fss fst fta ftf ftk ftm fto ftr fts ftt k-t ka- kaa kaf kak kam kao kar kas kat kfa kff kfm kfo kfs kkk kkm kkr kks kkt kma kmf kmk kmm kmo kms kmt koa kof kok kom koo kor kos kot kra krf krk kro krr krs krt ksa ksf ksk ksm kso ksr kss kst kta ktf ktk ktm kto ktr kts ktt m-f m-o m-r maa maf mak mam mao mar mas mat mfa mff mfm mfo mfr mfs mft mka mkk mkm mko mkr mks mkt mma mmf mmk mmm mmo mmr mms mmt moa mof mok mom moo mor mos mot mra mrf mrk mrm mro mrr mrs mrt msa msf msk msm mso msr mss mst mta mtf mtk mtm mto mtr mts mtt oaa oaf oak oam oao oar oas oat of- ofa off ofm ofo ofr ofs oft oka okk oko okr oks om- oma omf omm omo omr oms omt oo- ooa oof ook oom ooo oor oos oot or- ora orf ork orm oro orr ors ort os- osa osf osk osm oso osr oss ost ot- ota otf otk otm oto otr ots ott ra- raa raf rak ram rao rar ras rat rfa rff rfk rfm rfo rfr rfs rft rkf rkk rkm rko rks rkt rma rmf rmm rmo rmr rms rmt roa rof rok rom roo ror ros rot rra rrf rrk rrm rrr rrs rrt rsa rsf rsk rsm rso rsr rss rst rta rtf rtk rtm rto rtr rts rtt saa saf sak sam sao sar sas sat sfa sff sfk sfm sfo sfr sfs sft sk- ska skf skk skm sko skr sks skt sma smf smk smm smo smr sms smt soa sof sok som soo sor sos sot sr- sra srf srk srm sro srr srs srt ss- ssa ssf ssk ssm sso ssr sss sst sta stf stk stm sto str sts stt taa taf tak tam tao tar tas tat tfa tff tfk tfm tfo tfr tfs tft tka tkk tkm tko tkr tks tkt tma tmf tmk tmm tmo tmr tms tmt to- toa tof tok tom too tor tos tot tra trf trk trm tro trr trs trt tsa tsf tsk tsm tso tsr tss tst tta ttf ttk ttm tto ttr tts ttt