-th a-a a-c a-t aaa aac aah aak aao aap aar aas aat ac- aca acc ach ack aco acp acr acs act aha ahc ahh ahk aho ahp ahr ahs aht aka akc akh akk ako akp akr aks aoa aoc aoh aok aoo aop aor aos aot ap- apa apc aph apk apo app apr aps apt ar- ara arc arh ark aro arp arr ars art as- asa asc ash ask aso asp asr ass ast at- ata atc ath ato atp atr ats att c-- caa cac cah cak cao cap car cas cat cca ccc cch cck cco ccp ccr ccs cct ch- cha chc chh chk cho chp chr chs cht cka ckc ckh cko cks ckt co- coa coc coh cok coo cop cor cos cot cpa cpc cph cpk cpo cpp cpr cps cpt cra crc crh crk cro crp crr crs crt csa csc csh csk cso csp csr css cst cta ctc cth ctk cto ctp ctr cts ctt haa hac hah hak hao hap har has hat hca hcc hch hck hco hcp hcr hcs hct hha hhc hhh hhk hho hhp hhr hhs hht hka hkh hkk hko hkp hkr hks hkt hoa hoc hoh hok hoo hop hor hos hot hpa hpc hph hpk hpo hpp hpr hps hpt hr- hra hrc hrh hrk hro hrp hrr hrs hrt hsa hsc hsh hsk hsp hsr hss hst hta htc hth htk hto htp htr hts htt k-t ka- kaa kac kah kak kao kap kar kas kat kca kcc kch kck kcp kcr kcs kct kha khh khk kho khr khs kkc kkh kkk kkp kkr kks kkt koa koc koh kok koo kop kor kos kot kpa kpc kph kpk kpo kpp kpr kps kpt kra krc krk kro krp krr krs krt ksa ksc ksh ksk kso ksp ksr kss kst kta ktc kth ktk kto ktp ktr kts ktt oaa oac oah oak oao oap oar oas oat oc- oca occ och ock oco ocp ocr ocs oct oha ohc ohh oho ohp ohr ohs oht oka okc okk oko okp okr oks oo- ooa ooc ooh ook ooo oop oor oos oot op- opa opc oph opk opo opp opr ops opt or- ora orc orh ork oro orp orr ors ort os- osa osc osh osk oso osp osr oss ost ot- ota otc oth otk oto otp otr ots ott p-p paa pac pah pak pao pap par pas pat pca pcc pch pck pco pcp pcr pcs pct pha phc phk pho php phr phs pht pka pkc pko pkp pkr pks pkt poa poc poh pok poo pop por pos pot ppa ppc pph ppk ppo ppp ppr pps ppt pra prc prh prk pro prp prr prs prt ps- psa psc psh psk pso psp psr pss pst pt- pta ptc pth ptk pto ptp ptr pts ptt ra- raa rac rah rak rao rap rar ras rat rca rcc rch rco rcp rcr rcs rct rh- rha rhc rhh rho rhp rhr rhs rht rkc rkk rko rkp rks rkt roa roc roh rok roo rop ror ros rot rpa rpc rph rpk rpo rpp rpr rps rpt rra rrc rrh rrk rrp rrr rrs rrt rsa rsc rsh rsk rso rsp rsr rss rst rta rtc rtk rto rtp rtr rts rtt saa sac sah sak sao sap sar sas sat sca scc sch sck sco scp scr scs sct sh- sha shc shh shk sho shp shr shs sht sk- ska skc skh skk sko skp skr sks skt soa soc soh sok soo sop sor sos sot spa spc sph spk spo spp spr sps spt sr- sra src srh srk sro srp srr srs srt ss- ssa ssc ssh ssk sso ssp ssr sss sst sta stc sth stk sto stp str sts stt taa tac tah tak tao tap tar tas tat tca tcc tch tck tco tcp tcr tcs tct th- tha thc thh thk tho thp thr ths tht tka tkc tkk tko tkp tkr tks tkt to- toa toc toh tok too top tor tos tot tpa tpc tph tpk tpo tpp tpr tps tpt tra trc trh trk tro trp trr trs trt tsa tsc tsh tsk tso tsp tsr tss tst tta ttc tth ttk tto ttp ttr tts ttt