-er -ic -th a-a a-b a-c a-i a-t aaa aab aac aae aah aai aar aat aau ab- aba abb abc abe abh abi abr abt abu ac- aca acb acc ace ach aci acr act acu aea aeb aec aee aeh aei aer aet aeu aha ahb ahc ahe ahh ahi ahr aht ahu ai- aia aib aic aie aih aii air ait aiu ar- ara arb arc are arh ari arr art aru at- ata atb atc ate ath ati atr att atu au- aua aub auc aue auh aui aur aut b-u baa bab bac bae bah bai bar bat bau bba bbb bbc bbe bbh bbi bbr bbt bbu bca bcb bcc bce bch bci bcr bct bcu be- bea beb bec bee beh bei ber bet beu bha bhb bhc bhe bhh bhi bhr bht bhu bi- bia bib bic bie bih bii bir bit biu bra brb bre brh bri brr brt bru bta btb btc bte bth bti btr btt btu bua bub buc bue buh bui bur but buu c-- caa cab cac cae cah cai car cat cau cba cbb cbc cbe cbh cbi cbr cbt cbu cca ccb ccc cce cch cci ccr cct ccu ce- cea ceb cec cee ceh cei cer cet ceu ch- cha chb chc che chh chi chr cht chu ci- cia cib cic cie cih cii cir cit ciu cra crb crc cre crh cri crr crt cru cta ctb ctc cte cth cti ctr ctt ctu cua cub cuc cue cuh cui cur cut cuu eaa eab eac eae eah eai ear eat eau eba ebb ebc ebe ebh ebi ebr ebt ebu ec- eca ecb ecc ece ech eci ecr ect ecu eea eeb eec eee eer eet eha ehb ehc ehe ehh ehi ehr eht ehu eia eib eic eie eii eir eit eiu era erb erc ere erh eri err ert eru eta etb etc ete eth eti etr ett etu eu- eua eub euc eue eui eur eut h-i haa hab hac hae hah hai har hat hau hba hbb hbc hbe hbh hbi hbr hbt hbu hca hcb hcc hce hch hci hcr hct he- hea heb hec hee heh hei her het heu hha hhb hhc hhe hhh hhi hhr hht hhu hia hib hic hie hih hii hir hit hiu hr- hra hrb hrc hre hrh hri hrr hrt hru hta htb htc hte hth hti htr htt hua hub huc hue huh hui hur hut huu ia- iaa iab iac iae iah iai iar iat iau iba ibb ibc ibe ibh ibi ibr ibt ibu ica icb icc ice ich ici icr ict icu ie- iea iec iee iei ier iet iha ihb ihc ihe ihh ihi ihr iht ihu iia iib iic iie iih iii iir iit iiu ir- ira irb irc ire iri irr irt iru ita itb itc ite ith iti itt itu iu- iua iub iuc iue iui iur iut ra- raa rab rac rae rah rai rar rat rau rba rbb rbc rbe rbh rbi rbr rbt rbu rca rcb rcc rce rch rci rcr rct rcu re- rea reb rec ree reh rei rer ret reu rh- rha rhb rhc rhe rhh rhi rhr rht rhu ria rib ric rie rih rii rir rit rra rrb rrc rrh rri rrr rrt rru rta rtb rtc rte rti rtr rtt rtu rua rub ruc rue ruh rui rur rut ruu taa tab tac tae tah tai tar tat tau tba tbb tbc tbe tbh tbi tbr tbt tbu tca tcb tcc tce tch tci tcr tct tcu te- tea teb tec tee teh tei ter tet teu th- tha thb thc the thh thi thr tht thu tia tib tic tie tih tii tir tit tiu tra trb trc tre trh tri trr trt tru tta ttb ttc tte tth tti ttr ttt ttu tua tub tuc tue tuh tui tur tut tuu ua- uaa uab uac uae uah uai uar uat uau uba ubb ubc ube ubh ubi ubr ubt ubu uca ucb ucc uce uch uci ucr uct ucu uea ueb uec uee ueh uei uer uet uha uhb uhc uhe uhh uhi uhr uht uhu uia uib uic uie uii uir uit uiu ur- ura urb urc ure uri urr urt uru uta utb utc ute uth uti utr utt utu uua uuc uue uur uut uuu