-er -ic -th a-a a-c a-i a-t aaa aac aae aag aah aai aar aat aau ac- aca acc ace acg ach aci acr act acu aea aec aee aeg aeh aei aer aet aeu ag- aga agc age agg agh agi agr agt agu aha ahc ahe ahg ahh ahi ahr aht ahu ai- aia aic aie aig aih aii air ait aiu ar- ara arc are arg arh ari arr art aru at- ata atc ate atg ath ati atr att atu au- aua auc aue aug auh aui aur aut c-- caa cac cae cag cah cai car cat cau cca ccc cce ccg cch cci ccr cct ccu ce- cea cec cee ceg ceh cei cer cet ceu cga cgc cge cgg cgh cgi cgr cgt cgu ch- cha chc che chg chh chi chr cht chu ci- cia cic cie cig cih cii cir cit ciu cra crc cre crg crh cri crr crt cru cta ctc cte ctg cth cti ctr ctt ctu cua cuc cue cug cuh cui cur cut cuu eaa eac eae eag eah eai ear eat eau ec- eca ecc ece ecg ech eci ecr ect ecu eea eec eee eeg eer eet ega egc ege egg egh egi egr egt egu eha ehc ehe ehg ehh ehi ehr eht ehu eia eic eie eig eii eir eit eiu era erc ere erg erh eri err ert eru eta etc ete etg eth eti etr ett etu eu- eua euc eue eug eui eur eut gaa gac gae gag gah gai gar gat gau gca gcc gce gcg gch gci gcr gct gcu ge- gea gec gee geg geh gei ger get geu gga ggc ggg ggh ggi ggr ggt ggu gha ghc ghe ghg ghh ghi ghr ght gia gic gie gig gih gii gir git giu gra grc gre grg grh gri grr grt gru gta gtc gte gtg gth gti gtr gtt gtu gu- gua guc gue gug gui gur gut guu h-i haa hac hae hag hah hai har hat hau hca hcc hce hcg hch hci hcr hct he- hea hec hee heg heh hei her het heu hga hgc hge hgg hgh hgi hgr hgt hgu hha hhc hhe hhg hhh hhi hhr hht hhu hia hic hie hig hih hii hir hit hiu hr- hra hrc hre hrg hrh hri hrr hrt hru hta htc hte htg hth hti htr htt hua huc hue hug huh hui hur hut huu ia- iaa iac iae iag iah iai iar iat iau ica icc ice icg ich ici icr ict icu ie- iea iec iee ieg iei ier iet iga igc ige igg igh igi igr igt igu iha ihc ihe ihg ihh ihi ihr iht ihu iia iic iie iih iii iir iit iiu ir- ira irc ire irg iri irr irt iru ita itc ite itg ith iti itt itu iu- iua iuc iue iug iui iur iut ra- raa rac rae rag rah rai rar rat rau rca rcc rce rcg rch rci rcr rct rcu re- rea rec ree reg reh rei rer ret reu rga rgc rge rgg rgh rgi rgr rgt rh- rha rhc rhe rhg rhh rhi rhr rht rhu ria ric rie rig rih rii rir rit rra rrc rrg rrh rri rrr rrt rru rta rtc rte rtg rti rtr rtt rtu rua ruc rue rug ruh rui rur rut ruu taa tac tae tag tah tai tar tat tau tca tcc tce tcg tch tci tcr tct tcu te- tea tec tee teg teh tei ter tet teu tga tgc tge tgg tgh tgi tgr tgt tgu th- tha thc the thg thh thi thr tht thu tia tic tie tig tih tii tir tit tiu tra trc tre trg trh tri trr trt tru tta ttc tte ttg tth tti ttr ttt ttu tua tuc tue tug tuh tui tur tut tuu ua- uaa uac uae uag uah uai uar uat uau uca ucc uce ucg uch uci ucr uct ucu uea uec uee ueg ueh uei uer uet uga ugc uge ugg ugh ugi ugr ugt ugu uha uhc uhe uhh uhi uhr uht uhu uia uic uie uig uii uir uit uiu ur- ura urc ure urg uri urr urt uru uta utc ute uth uti utr utt utu uua uuc uue uug uur uut uuu