-ic a-a a-b a-c a-i a-t aaa aab aac aai aam aar aat aau ab- aba abb abc abi abm abr abt abu ac- aca acb acc aci acm acr act acu ai- aia aib aic aii aim air ait aiu ama amb amc ami amm amr amt amu ar- ara arb arc ari arm arr art aru at- ata atb atc ati atm atr att atu au- aua aub auc aui aum aur aut b-u baa bab bac bai bam bar bat bau bba bbb bbc bbi bbm bbr bbt bbu bca bcb bcc bci bcm bcr bct bcu bi- bia bib bic bii bim bir bit biu bma bmb bmc bmi bmm bmr bmt bmu bra brb bri brm brr brt bru bta btb btc bti btm btr btt btu bua bub buc bui bum bur but buu c-- caa cab cac cai cam car cat cau cba cbb cbc cbi cbm cbr cbt cbu cca ccb ccc cci ccm ccr cct ccu ci- cia cib cic cii cim cir cit ciu cma cmb cmc cmi cmm cmr cmt cmu cra crb crc cri crm crr crt cru cta ctb ctc cti ctm ctr ctt ctu cua cub cuc cui cum cur cut cuu ia- iaa iab iac iai iam iar iat iau iba ibb ibc ibi ibm ibr ibt ibu ica icb icc ici icm icr ict icu iia iib iic iii iim iir iit iiu im- ima imb imc imi imm imt imu ir- ira irb irc iri irm irr irt iru ita itb itc iti itm itt itu iu- iua iub iuc iui ium iur iut m-r maa mab mac mai mam mar mat mau mba mbb mbc mbi mbm mbr mbt mbu mc- mca mcb mcc mci mcm mcr mct mcu mi- mia mib mic mii mim mir mit miu mma mmb mmc mmi mmm mmr mmt mmu mra mrb mrc mri mrm mrr mrt mru mta mtb mtc mti mtm mtr mtt mtu mua mub muc mui mum mur mut muu ra- raa rab rac rai ram rar rat rau rba rbb rbc rbi rbm rbr rbt rbu rca rcb rcc rci rcm rcr rct rcu ria rib ric rii rim rir rit rma rmb rmc rmi rmm rmr rmt rra rrb rrc rri rrm rrr rrt rru rta rtb rtc rti rtm rtr rtt rtu rua rub ruc rui rum rur rut ruu taa tab tac tai tam tar tat tau tba tbb tbc tbi tbm tbr tbt tbu tca tcb tcc tci tcm tcr tct tcu tia tib tic tii tim tir tit tiu tma tmb tmc tmi tmm tmr tmt tmu tra trb trc tri trm trr trt tru tta ttb ttc tti ttm ttr ttt ttu tua tub tuc tui tum tur tut tuu ua- uaa uab uac uai uam uar uat uau uba ubb ubc ubi ubr ubt ubu uca ucb ucc uci ucm ucr uct ucu uia uib uic uii uim uir uit uiu um- uma umb umc umi umm umr umt umu ur- ura urb urc uri urm urr urt uru uta utb utc uti utm utr utt utu uua uuc uum uur uut uuu