-th a-a a-c a-t aaa aac aah aao aap aar aas aat ac- aca acc ach aco acp acr acs act aha ahc ahh aho ahp ahr ahs aht aoa aoc aoh aoo aop aor aos aot ap- apa apc aph apo app apr aps apt ar- ara arc arh aro arp arr ars art as- asa asc ash aso asp asr ass ast at- ata atc ath ato atp atr ats att c-- caa cac cah cao cap car cas cat cca ccc cch cco ccp ccr ccs cct ch- cha chc chh cho chp chr chs cht co- coa coc coh coo cop cor cos cot cpa cpc cph cpo cpp cpr cps cpt cra crc crh cro crp crr crs crt csa csc csh cso csp csr css cst cta ctc cth cto ctp ctr cts ctt haa hac hah hao hap har has hat hca hcc hch hco hcp hcr hcs hct hha hhc hhh hho hhp hhr hhs hht hoa hoc hoh hoo hop hor hos hot hpa hpc hph hpo hpp hpr hps hpt hr- hra hrc hrh hro hrp hrr hrs hrt hsa hsc hsh hsp hsr hss hst hta htc hth hto htp htr hts htt oaa oac oah oao oap oar oas oat oc- oca occ och oco ocp ocr ocs oct oha ohc ohh oho ohp ohr ohs oht oo- ooa ooc ooh ooo oop oor oos oot op- opa opc oph opo opp opr ops opt or- ora orc orh oro orp orr ors ort os- osa osc osh oso osp osr oss ost ot- ota otc oth oto otp otr ots ott p-p paa pac pah pao pap par pas pat pca pcc pch pco pcp pcr pcs pct pha phc pho php phr phs pht poa poc poh poo pop por pos pot ppa ppc pph ppo ppp ppr pps ppt pra prc prh pro prp prr prs prt ps- psa psc psh pso psp psr pss pst pt- pta ptc pth pto ptp ptr pts ptt ra- raa rac rah rao rap rar ras rat rca rcc rch rco rcp rcr rcs rct rh- rha rhc rhh rho rhp rhr rhs rht roa roc roh roo rop ror ros rot rpa rpc rph rpo rpp rpr rps rpt rra rrc rrh rrp rrr rrs rrt rsa rsc rsh rso rsp rsr rss rst rta rtc rto rtp rtr rts rtt saa sac sah sao sap sar sas sat sca scc sch sco scp scr scs sct sh- sha shc shh sho shp shr shs sht soa soc soh soo sop sor sos sot spa spc sph spo spp spr sps spt sr- sra src srh sro srp srr srs srt ss- ssa ssc ssh sso ssp ssr sss sst sta stc sth sto stp str sts stt taa tac tah tao tap tar tas tat tca tcc tch tco tcp tcr tcs tct th- tha thc thh tho thp thr ths tht to- toa toc toh too top tor tos tot tpa tpc tph tpo tpp tpr tps tpt tra trc trh tro trp trr trs trt tsa tsc tsh tso tsp tsr tss tst tta ttc tth tto ttp ttr tts ttt