-er -th a-a a-b a-t aaa aab aae aah aak aao aap aar aas aat ab- aba abb abe abh abk abo abp abr abs abt aea aeb aee aeh aek aeo aep aer aes aet aha ahb ahe ahh ahk aho ahp ahr ahs aht aka akb ake akh akk ako akp akr aks aoa aob aoe aoh aok aoo aop aor aos aot ap- apa apb ape aph apk apo app apr aps apt ar- ara arb are arh ark aro arp arr ars art as- asa asb ase ash ask aso asp asr ass ast at- ata atb ate ath ato atp atr ats att b-p baa bab bae bah bak bao bap bar bas bat bba bbb bbe bbh bbk bbo bbp bbr bbs bbt be- bea beb bee beh bek beo bep ber bes bet bha bhb bhe bhh bhk bho bhp bhr bhs bht bka bkb bke bkk bko bkp bkr bks bkt boa bob boe boh bok boo bop bor bos bot bpa bpb bpe bph bpo bpp bpr bps bpt bra brb bre brh brk bro brp brr brs brt bsa bsb bse bsh bsk bso bsp bsr bss bst bta btb bte bth btk bto btp btr bts btt eaa eab eae eah eak eao eap ear eas eat eba ebb ebe ebh ebk ebo ebp ebr ebs ebt eea eeb eee eek eeo eep eer ees eet eha ehb ehe ehh eho ehp ehr ehs eht eka ekb eke ekh eko ekp ekr eks ekt eo- eoa eob eoe eoh eok eoo eop eor eos eot ep- epa epb epe eph epo epp epr eps ept era erb ere erh erk ero erp err ers ert es- esa esb ese esh esk eso esp esr ess est eta etb ete eth etk eto etp etr ets ett haa hab hae hah hak hao hap har has hat hba hbb hbe hbh hbk hbo hbp hbr hbs hbt he- hea heb hee heh hek heo hep her hes het hha hhb hhe hhh hhk hho hhp hhr hhs hht hka hkb hkh hkk hko hkp hkr hks hkt hoa hob hoe hoh hok hoo hop hor hos hot hpa hpb hpe hph hpk hpo hpp hpr hps hpt hr- hra hrb hre hrh hrk hro hrp hrr hrs hrt hsa hsb hse hsh hsk hsp hsr hss hst hta htb hte hth htk hto htp htr hts htt k-t ka- kaa kab kae kah kak kao kap kar kas kat kba kbb kbe kbh kbk kbo kbp kbr kbs ke- kea keb kee keh kek keo kep ker kes ket kha khe khh khk kho khr khs kkb kke kkh kkk kkp kkr kks kkt koa kob koe koh kok koo kop kor kos kot kpa kpe kph kpk kpo kpp kpr kps kpt kra krk kro krp krr krs krt ksa ksb kse ksh ksk kso ksp ksr kss kst kta ktb kte kth ktk kto ktp ktr kts ktt oaa oab oae oah oak oao oap oar oas oat ob- oba obb obe obh obk obo obp obr obs obt oea oeb oee oeh oeo oep oer oes oet oha ohe ohh oho ohp ohr ohs oht oka okb oke okk oko okp okr oks oo- ooa oob ooh ook ooo oop oor oos oot op- opa opb ope oph opk opo opp opr ops opt or- ora orb ore orh ork oro orp orr ors ort os- osa osb ose osh osk oso osp osr oss ost ot- ota otb ote oth otk oto otp otr ots ott p-p paa pab pae pah pak pao pap par pas pat pba pbb pbe pbk pbo pbp pbr pbs pbt pea peb pee peh pek peo pep per pes pet pha phb phe phk pho php phr phs pht pka pkb pke pko pkp pkr pks pkt poa pob poe poh pok poo pop por pos pot ppa ppb ppe pph ppk ppo ppp ppr pps ppt pra prb pre prh prk pro prp prr prs prt ps- psa psb pse psh psk pso psp psr pss pst pt- pta ptb pte pth ptk pto ptp ptr pts ptt ra- raa rab rae rah rak rao rap rar ras rat rba rbb rbe rbh rbk rbo rbp rbr rbs rbt re- rea reb ree reh rek reo rep rer res ret rh- rha rhb rhe rhh rho rhp rhr rhs rht rkb rke rkk rko rkp rks rkt roa rob roe roh rok roo rop ror ros rot rpa rpb rpe rph rpk rpo rpp rpr rps rpt rra rrb rrh rrk rrp rrr rrs rrt rsa rsb rse rsh rsk rso rsp rsr rss rst rta rtb rte rtk rto rtp rtr rts rtt saa sab sae sah sak sao sap sar sas sat sba sbb sbe sbh sbk sbo sbp sbr sbs sbt se- sea seb see seh sek seo sep ser ses set sh- sha shb she shh shk sho shp shr shs sht sk- ska skb ske skh skk sko skp skr sks skt soa sob soe soh sok soo sop sor sos sot spa spb spe sph spk spo spp spr sps spt sr- sra srb sre srh srk sro srp srr srs srt ss- ssa ssb sse ssh ssk sso ssp ssr sss sst sta stb ste sth stk sto stp str sts stt taa tab tae tah tak tao tap tar tas tat tba tbb tbe tbh tbk tbo tbp tbr tbs tbt te- tea teb tee teh tek teo tep ter tes tet th- tha thb the thh thk tho thp thr ths tht tka tkb tke tkk tko tkp tkr tks tkt to- toa tob toe toh tok too top tor tos tot tpa tpb tpe tph tpk tpo tpp tpr tps tpt tra trb tre trh trk tro trp trr trs trt tsa tsb tse tsh tsk tso tsp tsr tss tst tta ttb tte tth ttk tto ttp ttr