-er -ic a-a a-b a-c a-i a-t a-z aaa aab aac aae aai aar aat aau aaz ab- aba abb abc abe abi abr abt abu abz ac- aca acb acc ace aci acr act acu acz aea aeb aec aee aei aer aet aeu aez ai- aia aib aic aie aii air ait aiu aiz ar- ara arb arc are ari arr art aru arz at- ata atb atc ate ati atr att atu atz au- aua aub auc aue aui aur aut auz az- aza azb aze azi azt azu azz b-u baa bab bac bae bai bar bat bau baz bba bbb bbc bbe bbi bbr bbt bbu bca bcb bcc bce bci bcr bct bcu bcz be- bea beb bec bee bei ber bet beu bez bi- bia bib bic bie bii bir bit biu biz bra brb bre bri brr brt bru brz bta btb btc bte bti btr btt btu btz bua bub buc bue bui bur but buu buz bza bze bzr bzu bzz c-- caa cab cac cae cai car cat cau caz cba cbb cbc cbe cbi cbr cbt cbu cbz cca ccb ccc cce cci ccr cct ccu ccz ce- cea ceb cec cee cei cer cet ceu cez ci- cia cib cic cie cii cir cit ciu cra crb crc cre cri crr crt cru crz cta ctb ctc cte cti ctr ctt ctu ctz cua cub cuc cue cui cur cut cuu cuz cz- czc cze czt eaa eab eac eae eai ear eat eau eaz eba ebb ebc ebe ebi ebr ebt ebu ec- eca ecb ecc ece eci ecr ect ecu eea eeb eec eee eer eet eia eib eic eie eii eir eit eiu era erb erc ere eri err ert eru erz eta etb etc ete eti etr ett etu etz eu- eua eub euc eue eui eur eut eze ezr ezz ia- iaa iab iac iae iai iar iat iau iaz iba ibb ibc ibe ibi ibr ibt ibu ibz ica icb icc ice ici icr ict icu icz ie- iea iec iee iei ier iet iia iib iic iie iii iir iit iiu ir- ira irb irc ire iri irr irt iru ita itb itc ite iti itt itu itz iu- iua iub iuc iue iui iur iut iuz iza ize izi izu izz ra- raa rab rac rae rai rar rat rau raz rba rbb rbc rbe rbi rbr rbt rbu rca rcb rcc rce rci rcr rct rcu re- rea reb rec ree rei rer ret reu rez ria rib ric rie rii rir rit riz rra rrb rrc rri rrr rrt rru rta rtb rtc rte rti rtr rtt rtu rtz rua rub ruc rue rui rur rut ruu ruz rza rzb rze taa tab tac tae tai tar tat tau taz tba tbb tbc tbe tbi tbr tbt tbu tbz tca tcb tcc tce tci tcr tct tcu te- tea teb tec tee tei ter tet teu tez tia tib tic tie tii tir tit tiu tiz tra trb trc tre tri trr trt tru trz tta ttb ttc tte tti ttr ttt ttu tua tub tuc tue tui tur tut tuu tuz tza tze tzu ua- uaa uab uac uae uai uar uat uau uaz uba ubb ubc ube ubi ubr ubt ubu uca ucb ucc uce uci ucr uct ucu uea ueb uec uee uei uer uet uia uib uic uie uii uir uit uiu ur- ura urb urc ure uri urr urt uru urz uta utb utc ute uti utr utt utu utz uua uuc uue uur uut uuu uza uzb uzi uzu zaa zab zac zai zar zat zaz zbb zbc zbr zbt zce zea zeb zec zee zer zet zez zia zib zie zir zit ziz zta zte ztr zub zuc zui zur zut zuz zzr zzt zzz