-ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aar aas aat aau ab- aba abb abc abh abi abr abs abt abu ac- aca acb acc ach aci acr acs act acu aha ahb ahc ahh ahi ahr ahs aht ahu ai- aia aib aic aih aii air ais ait aiu ar- ara arb arc arh ari arr ars art aru as- asa asb asc ash asi asr ass ast asu at- ata atb atc ath ati atr ats att atu au- aua aub auc auh aui aur aus aut b-u baa bab bac bah bai bar bas bat bau bba bbb bbc bbh bbi bbr bbs bbt bbu bca bcb bcc bch bci bcr bcs bct bcu bha bhb bhc bhh bhi bhr bhs bht bhu bi- bia bib bic bih bii bir bis bit biu bra brb brh bri brr brs brt bru bsa bsb bsc bsh bsi bsr bss bst bsu bta btb btc bth bti btr bts btt btu bua bub buc buh bui bur bus but buu c-- caa cab cac cah cai car cas cat cau cba cbb cbc cbh cbi cbr cbs cbt cbu cca ccb ccc cch cci ccr ccs cct ccu ch- cha chb chc chh chi chr chs cht chu ci- cia cib cic cih cii cir cis cit ciu cra crb crc crh cri crr crs crt cru csa csb csc csh csi csr css cst csu cta ctb ctc cth cti ctr cts ctt ctu cua cub cuc cuh cui cur cus cut cuu h-i haa hab hac hah hai har has hat hau hba hbb hbc hbh hbi hbr hbs hbt hbu hca hcb hcc hch hci hcr hcs hct hha hhb hhc hhh hhi hhr hhs hht hhu hia hib hic hih hii hir his hit hiu hr- hra hrb hrc hrh hri hrr hrs hrt hru hsa hsb hsc hsh hsi hsr hss hst hsu hta htb htc hth hti htr hts htt hua hub huc huh hui hur hus hut huu ia- iaa iab iac iah iai iar ias iat iau iba ibb ibc ibh ibi ibr ibs ibt ibu ica icb icc ich ici icr ics ict icu iha ihb ihc ihh ihi ihr ihs iht ihu iia iib iic iih iii iir iis iit iiu ir- ira irb irc iri irr irs irt iru is- isa isb isc ish isi isr iss ist isu ita itb itc ith iti its itt itu iu- iua iub iuc iui iur ius iut ra- raa rab rac rah rai rar ras rat rau rba rbb rbc rbh rbi rbr rbs rbt rbu rca rcb rcc rch rci rcr rcs rct rcu rh- rha rhb rhc rhh rhi rhr rhs rht rhu ria rib ric rih rii rir ris rit rra rrb rrc rrh rri rrr rrs rrt rru rsa rsb rsc rsh rsi rsr rss rst rsu rta rtb rtc rti rtr rts rtt rtu rua rub ruc ruh rui rur rus rut ruu saa sab sac sah sai sar sas sat sau sba sbb sbc sbh sbi sbr sbs sbt sbu sca scb scc sch sci scr scs sct scu sh- sha shb shc shh shi shr shs sht shu sia sib sic sih sii sir sis sit siu sr- sra srb src srh sri srr srs srt ss- ssa ssb ssc ssh ssi ssr sss sst ssu sta stb stc sth sti str sts stt stu sua sub suc suh sui sur sus sut suu taa tab tac tah tai tar tas tat tau tba tbb tbc tbh tbi tbr tbs tbt tbu tca tcb tcc tch tci tcr tcs tct tcu th- tha thb thc thh thi thr ths tht thu tia tib tic tih tii tir tis tit tiu tra trb trc trh tri trr trs trt tru tsa tsb tsc tsh tsi tsr tss tst tsu tta ttb ttc tth tti ttr tts ttt ttu tua tub tuc tuh tui tur tus tut tuu ua- uaa uab uac uah uai uar uas uat uau uba ubb ubc ubh ubi ubr ubs ubt ubu uca ucb ucc uch uci ucr ucs uct ucu uha uhb uhc uhh uhi uhr uhs uht uhu uia uib uic uii uir uis uit uiu ur- ura urb urc uri urr urs urt uru usa usb usc ush usi usr uss ust usu uta utb utc uth uti utr uts utt utu uua uuc uur uus uut uuu