-th a-a a-c a-t aaa aac aah aan aao aap aas aat ac- aca acc ach acn aco acp acs act aha ahc ahh ahn aho ahp ahs aht an- ana anc anh ann ano anp ans ant aoa aoc aoh aon aoo aop aos aot ap- apa apc aph apn apo app aps apt as- asa asc ash asn aso asp ass ast at- ata atc ath atn ato atp ats att c-- caa cac cah can cao cap cas cat cca ccc cch ccn cco ccp ccs cct ch- cha chc chh chn cho chp chs cht cn- cna cnc cnh cnn cno cnp cns cnt co- coa coc coh con coo cop cos cot cpa cpc cph cpn cpo cpp cps cpt csa csc csh csn cso csp css cst cta ctc cth ctn cto ctp cts ctt haa hac hah han hao hap has hat hca hcc hch hcn hco hcp hcs hct hha hhc hhh hhn hho hhp hhs hht hna hnc hnh hnn hno hns hnt hoa hoc hoh hon hoo hop hos hot hpa hpc hph hpn hpo hpp hps hpt hsa hsc hsh hsn hsp hss hst hta htc hth htn hto htp hts htt naa nac nah nan nao nap nas nat nca ncc nch ncn nco ncp ncs nct nha nhc nhh nhn nhp nhs nht nna nnc nnh nnn nno nnp nns nnt no- noa noc noh non noo nop nos not npa npc nph npn npo npp nps npt nsa nsc nsh nsn nso nsp nss nst nta ntc nth ntn nto ntp nts ntt oaa oac oah oan oao oap oas oat oc- oca occ och ocn oco ocp ocs oct oha ohc ohh ohn oho ohp ohs oht on- ona onc onh onn ono onp ons ont oo- ooa ooc ooh oon ooo oop oos oot op- opa opc oph opn opo opp ops opt os- osa osc osh osn oso osp oss ost ot- ota otc oth otn oto otp ots ott p-p paa pac pah pan pao pap pas pat pca pcc pch pcn pco pcp pcs pct pha phc phn pho php phs pht pn- pna pnc pnh pnn pno pnp pns pnt poa poc poh pon poo pop pos pot ppa ppc pph ppn ppo ppp pps ppt ps- psa psc psh psn pso psp pss pst pt- pta ptc pth ptn pto ptp pts ptt saa sac sah san sao sap sas sat sca scc sch scn sco scp scs sct sh- sha shc shh shn sho shp shs sht sna snc snn sno snp sns snt soa soc soh son soo sop sos sot spa spc sph spn spo spp sps spt ss- ssa ssc ssh ssn sso ssp sss sst sta stc sth stn sto stp sts stt taa tac tah tan tao tap tas tat tca tcc tch tcn tco tcp tcs tct th- tha thc thh thn tho thp ths tht tna tnc tnh tnn tno tnp tns tnt to- toa toc toh ton too top tos tot tpa tpc tph tpn tpo tpp tps tpt tsa tsc tsh tsn tso tsp tss tst tta ttc tth ttn tto ttp tts ttt