-th a-a a-b a-c a-t aaa aab aac aah aak aam aar aas aat aau ab- aba abb abc abh abk abm abr abs abt abu ac- aca acb acc ach ack acm acr acs act acu aha ahb ahc ahh ahk ahm ahr ahs aht ahu aka akb akc akh akk akm akr aks aku ama amb amc amh amk amm amr ams amt amu ar- ara arb arc arh ark arm arr ars art aru as- asa asb asc ash ask asm asr ass ast asu at- ata atb atc ath atm atr ats att atu au- aua aub auc auh auk aum aur aus aut b-u baa bab bac bah bak bam bar bas bat bau bba bbb bbc bbh bbk bbm bbr bbs bbt bbu bca bcb bcc bch bck bcm bcr bcs bct bcu bha bhb bhc bhh bhk bhm bhr bhs bht bhu bka bkb bkc bkk bkm bkr bks bkt bma bmb bmc bmh bmk bmm bmr bms bmt bmu bra brb brh brk brm brr brs brt bru bsa bsb bsc bsh bsk bsm bsr bss bst bsu bta btb btc bth btk btm btr bts btt btu bua bub buc buh buk bum bur bus but buu c-- caa cab cac cah cak cam car cas cat cau cba cbb cbc cbh cbk cbm cbr cbs cbt cbu cca ccb ccc cch cck ccm ccr ccs cct ccu ch- cha chb chc chh chk chm chr chs cht chu cka ckb ckc ckh ckm cks ckt cma cmb cmc cmh cmk cmm cmr cms cmt cmu cra crb crc crh crk crm crr crs crt cru csa csb csc csh csk csm csr css cst csu cta ctb ctc cth ctk ctm ctr cts ctt ctu cua cub cuc cuh cuk cum cur cus cut cuu haa hab hac hah hak ham har has hat hau hba hbb hbc hbh hbk hbm hbr hbs hbt hbu hca hcb hcc hch hck hcm hcr hcs hct hha hhb hhc hhh hhk hhm hhr hhs hht hhu hka hkb hkh hkk hkm hkr hks hkt hku hma hmb hmc hmh hmk hmm hmr hms hmt hmu hr- hra hrb hrc hrh hrk hrm hrr hrs hrt hru hsa hsb hsc hsh hsk hsm hsr hss hst hsu hta htb htc hth htk htm htr hts htt hua hub huc huh huk hum hur hus hut huu k-t ka- kaa kab kac kah kak kam kar kas kat kau kba kbb kbc kbh kbk kbm kbr kbs kbu kca kcb kcc kch kck kcm kcr kcs kct kcu kha khh khk khm khr khs khu kkb kkc kkh kkk kkm kkr kks kkt kku kma kmb kmc kmh kmk kmm kms kmt kmu kra krc krk krr krs krt kru ksa ksb ksc ksh ksk ksm ksr kss kst ksu kta ktb ktc kth ktk ktm ktr kts ktt ktu kub kuc kuh kuk kum kur kus kut kuu m-r maa mab mac mah mak mam mar mas mat mau mba mbb mbc mbh mbk mbm mbr mbs mbt mbu mc- mca mcb mcc mch mck mcm mcr mcs mct mcu mha mhc mhh mhk mhm mhr mhs mht mhu mka mkb mkc mkh mkk mkm mkr mks mkt mku mma mmb mmc mmh mmk mmm mmr mms mmt mmu mra mrb mrc mrh mrk mrm mrr mrs mrt mru msa msb msc msh msk msm msr mss mst msu mta mtb mtc mth mtk mtm mtr mts mtt mtu mua mub muc muh muk mum mur mus mut muu ra- raa rab rac rah rak ram rar ras rat rau rba rbb rbc rbh rbk rbm rbr rbs rbt rbu rca rcb rcc rch rcm rcr rcs rct rcu rh- rha rhb rhc rhh rhm rhr rhs rht rhu rkb rkc rkk rkm rks rkt rku rma rmb rmc rmh rmm rmr rms rmt rra rrb rrc rrh rrk rrm rrr rrs rrt rru rsa rsb rsc rsh rsk rsm rsr rss rst rsu rta rtb rtc rtk rtm rtr rts rtt rtu rua rub ruc ruh ruk rum rur rus rut ruu saa sab sac sah sak sam sar sas sat sau sba sbb sbc sbh sbk sbm sbr sbs sbt sbu sca scb scc sch sck scm scr scs sct scu sh- sha shb shc shh shk shm shr shs sht shu sk- ska skb skc skh skk skm skr sks skt sku sma smb smc smh smk smm smr sms smt smu sr- sra srb src srh srk srm srr srs srt ss- ssa ssb ssc ssh ssk ssm ssr sss sst ssu sta stb stc sth stk stm str sts stt stu sua sub suc suh suk sum sur sus sut suu taa tab tac tah tak tam tar tas tat tau tba tbb tbc tbh tbk tbm tbr tbs tbt tbu tca tcb tcc tch tck tcm tcr tcs tct tcu th- tha thb thc thh thk thm thr ths tht thu tka tkb tkc tkk tkm tkr tks tkt tma tmb tmc tmh tmk tmm tmr tms tmt tmu tra trb trc trh trk trm trr trs trt tru tsa tsb tsc tsh tsk tsm tsr tss tst tsu tta ttb ttc tth ttk ttm ttr tts ttt ttu tua tub tuc tuh tuk tum tur tus tut tuu ua- uaa uab uac uah uak uam uar uas uat uau uba ubb ubc ubh ubk ubr ubs ubt ubu uca ucb ucc uch uck ucm ucr ucs uct ucu uha uhb uhc uhh uhm uhr uhs uht uhu uka ukb ukc ukk ukr uku um- uma umb umc umh umm umr ums umt umu ur- ura urb urc urk urm urr urs urt uru usa usb usc ush usk usm usr uss ust usu uta utb utc uth utk utm utr uts utt utu uua uuc uum uur uus uut uuu

a-ak a-ha aaaa aaab aaac aaah aaam aaar aaas aaba aabb aabc aabh aabm aabt aaca