-ic a-a a-b a-c a-i a-t aaa aab aac aai aam aao aar aat aau ab- aba abb abc abi abm abo abr abt abu ac- aca acb acc aci acm aco acr act acu ai- aia aib aic aii aim aio air ait aiu ama amb amc ami amm amo amr amt amu aoa aob aoc aoi aom aoo aor aot aou ar- ara arb arc ari arm aro arr art aru at- ata atb atc ati atm ato atr att atu au- aua aub auc aui aum auo aur aut b-u baa bab bac bai bam bao bar bat bau bba bbb bbc bbi bbm bbo bbr bbt bbu bca bcb bcc bci bcm bco bcr bct bcu bi- bia bib bic bii bim bio bir bit biu bma bmb bmc bmi bmm bmo bmr bmt bmu boa bob boc boi bom boo bor bot bou bra brb bri brm bro brr brt bru bta btb btc bti btm bto btr btt btu bua bub buc bui bum buo bur but buu c-- caa cab cac cai cam cao car cat cau cba cbb cbc cbi cbm cbo cbr cbt cbu cca ccb ccc cci ccm cco ccr cct ccu ci- cia cib cic cii cim cio cir cit ciu cma cmb cmc cmi cmm cmo cmr cmt cmu co- coa cob coc coi com coo cor cot cou cra crb crc cri crm cro crr crt cru cta ctb ctc cti ctm cto ctr ctt ctu cua cub cuc cui cum cuo cur cut cuu ia- iaa iab iac iai iam iao iar iat iau iba ibb ibc ibi ibm ibo ibr ibt ibu ica icb icc ici icm ico icr ict icu iia iib iic iii iim iio iir iit iiu im- ima imb imc imi imm imo imt imu io- ioa iob ioc ioi iom ioo ior iot iou ir- ira irb irc iri irm iro irr irt iru ita itb itc iti itm ito itt itu iu- iua iub iuc iui ium iur iut m-o m-r maa mab mac mai mam mao mar mat mau mba mbb mbc mbi mbm mbo mbr mbt mbu mc- mca mcb mcc mci mcm mco mcr mct mcu mi- mia mib mic mii mim mio mir mit miu mma mmb mmc mmi mmm mmo mmr mmt mmu moa mob moc moi mom moo mor mot mou mra mrb mrc mri mrm mro mrr mrt mru mta mtb mtc mti mtm mto mtr mtt mtu mua mub muc mui mum mur mut muu o-i oaa oab oac oai oam oao oar oat oau ob- oba obb obc obi obm obo obr obt obu oc- oca ocb occ oci ocm oco ocr oct ocu oia oib oic oii oim oio oir oit oiu om- oma omb omc omi omm omo omr omt omu oo- ooa oob ooc ooi oom ooo oor oot or- ora orb orc ori orm oro orr ort oru ot- ota otb otc oti otm oto otr ott otu ou- oua ouc oui oum ouo our out ra- raa rab rac rai ram rao rar rat rau rba rbb rbc rbi rbm rbo rbr rbt rbu rca rcb rcc rci rcm rco rcr rct rcu ria rib ric rii rim rio rir rit rma rmb rmc rmi rmm rmo rmr rmt roa rob roc roi rom roo ror rot rou rra rrb rrc rri rrm rrr rrt rru rta rtb rtc rti rtm rto rtr rtt rtu rua rub ruc rui rum ruo rur rut ruu taa tab tac tai tam tao tar tat tau tba tbb tbc tbi tbm tbo tbr tbt tbu tca tcb tcc tci tcm tco tcr tct tcu tia tib tic tii tim tio tir tit tiu tma tmb tmc tmi tmm tmo tmr tmt tmu to- toa tob toc toi tom too tor tot tou tra trb trc tri trm tro trr trt tru tta ttb ttc tti ttm tto ttr ttt ttu tua tub tuc tui tum tuo tur tut tuu ua- uaa uab uac uai uam uao uar uat uau uba ubb ubc ubi ubo ubr ubt ubu uca ucb ucc uci ucm uco ucr uct ucu uia uib uic uii uim uio uir uit uiu um- uma umb umc umi umm umo umr umt umu uoa uob uoc uom uoo uor uot ur- ura urb urc uri urm uro urr urt uru uta utb utc uti utm uto utr utt utu uua uuc uum uur uut uuu