-er -th -up a-a a-b a-c a-t aaa aab aac aae aah aak aap aar aat aau ab- aba abb abc abe abh abk abp abr abt abu ac- aca acb acc ace ach ack acp acr act acu aea aeb aec aee aeh aek aep aer aet aeu aha ahb ahc ahe ahh ahk ahp ahr aht ahu aka akb akc ake akh akk akp akr aku ap- apa apb apc ape aph apk app apr apt apu ar- ara arb arc are arh ark arp arr art aru at- ata atb atc ate ath atp atr att atu au- aua aub auc aue auh auk aup aur aut b-p b-u baa bab bac bae bah bak bap bar bat bau bba bbb bbc bbe bbh bbk bbp bbr bbt bbu bca bcb bcc bce bch bck bcp bcr bct bcu be- bea beb bec bee beh bek bep ber bet beu bha bhb bhc bhe bhh bhk bhp bhr bht bhu bka bkb bkc bke bkk bkp bkr bkt bpa bpb bpc bpe bph bpp bpr bpt bpu bra brb bre brh brk brp brr brt bru bta btb btc bte bth btk btp btr btt btu bua bub buc bue buh buk bup bur but buu c-- caa cab cac cae cah cak cap car cat cau cba cbb cbc cbe cbh cbk cbp cbr cbt cbu cca ccb ccc cce cch cck ccp ccr cct ccu ce- cea ceb cec cee ceh cek cep cer cet ceu ch- cha chb chc che chh chk chp chr cht chu cka ckb ckc ckh ckt cpa cpb cpc cpe cph cpk cpp cpr cpt cpu cra crb crc cre crh crk crp crr crt cru cta ctb ctc cte cth ctk ctp ctr ctt ctu cua cub cuc cue cuh cuk cup cur cut cuu eaa eab eac eae eah eak eap ear eat eau eba ebb ebc ebe ebh ebk ebp ebr ebt ebu ec- eca ecb ecc ece ech eck ecr ect ecu eea eeb eec eee eek eep eer eet eha ehb ehc ehe ehh ehp ehr eht ehu eka ekb ekc eke ekh ekp ekr ekt eku ep- epa epb epc epe eph epp epr ept epu era erb erc ere erh erk erp err ert eru eta etb etc ete eth etk etp etr ett etu eu- eua eub euc eue eup eur eut haa hab hac hae hah hak hap har hat hau hba hbb hbc hbe hbh hbk hbp hbr hbt hbu hca hcb hcc hce hch hck hcp hcr hct he- hea heb hec hee heh hek hep her het heu hha hhb hhc hhe hhh hhk hhp hhr hht hhu hka hkb hkh hkk hkp hkr hkt hku hpa hpb hpc hpe hph hpk hpp hpr hpt hpu hr- hra hrb hrc hre hrh hrk hrp hrr hrt hru hta htb htc hte hth htk htp htr htt hua hub huc hue huh huk hup hur hut huu k-t ka- kaa kab kac kae kah kak kap kar kat kau kba kbb kbc kbe kbh kbk kbp kbr kbu kca kcb kcc kce kch kck kcp kcr kct kcu ke- kea keb kec kee keh kek kep ker ket kha khe khh khk khr khu kkb kkc kke kkh kkk kkp kkr kkt kku kpa kpc kpe kph kpk kpp kpr kpt kpu kra krc krk krp krr krt kru kta ktb ktc kte kth ktk ktp ktr ktt ktu kub kuc kue kuh kuk kup kur kut kuu p-p paa pab pac pae pah pak pap par pat pau pba pbb pbc pbe pbk pbp pbr pbt pbu pca pcb pcc pce pch pck pcp pcr pct pcu pea peb pec pee peh pek pep per pet peu pha phb phc phe phk php phr pht phu pka pkb pkc pke pkp pkr pkt pku ppa ppb ppc ppe pph ppk ppp ppr ppt ppu pra prb prc pre prh prk prp prr prt pru pt- pta ptb ptc pte pth ptk ptp ptr ptt ptu pua pub puc pue puh puk pup pur put puu ra- raa rab rac rae rah rak rap rar rat rau rba rbb rbc rbe rbh rbk rbp rbr rbt rbu rca rcb rcc rce rch rcp rcr rct rcu re- rea reb rec ree reh rek rep rer ret reu rh- rha rhb rhc rhe rhh rhp rhr rht rhu rkb rkc rke rkk rkp rkt rku rpa rpb rpc rpe rph rpk rpp rpr rpt rpu rra rrb rrc rrh rrk rrp rrr rrt rru rta rtb rtc rte rtk rtp rtr rtt rtu rua rub ruc rue ruh ruk rup rur rut ruu taa tab tac tae tah tak tap tar tat tau tba tbb tbc tbe tbh tbk tbp tbr tbt tbu tca tcb tcc tce tch tck tcp tcr tct tcu te- tea teb tec tee teh tek tep ter tet teu th- tha thb thc the thh thk thp thr tht thu tka tkb tkc tke tkk tkp tkr tkt tpa tpb tpc tpe tph tpk tpp tpr tpt tpu tra trb trc tre trh trk trp trr trt tru tta ttb ttc tte tth ttk ttp ttr ttt ttu tua tub tuc tue tuh tuk tup tur tut tuu ua- uaa uab uac uae uah uak uap uar uat uau uba ubb ubc ube ubh ubk ubp ubr ubt ubu uca ucb ucc uce uch uck ucp ucr uct ucu uea ueb uec uee ueh uep uer uet uha uhb uhc uhe uhh uhp uhr uht uhu uka ukb ukc uke ukk ukp ukr uku up- upa upb upc upe uph upk upp upr upt upu ur- ura urb urc ure urk urp urr urt uru uta utb utc ute uth utk utp utr utt utu uua uuc uue uur uut uuu

a-ak a-be a-ha aaaa aaab aaac aaae aaah aaap aaar aaba aabb aabc aabh aabp aabt aaca aacb aacc aace aach aack aacp