-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aam aao aar aat aau ab- aba abb abc abe abi abm abo abr abt abu ac- aca acb acc ace aci acm aco acr act acu aea aeb aec aee aei aem aeo aer aet aeu ai- aia aib aic aie aii aim aio air ait aiu ama amb amc ame ami amm amo amr amt amu aoa aob aoc aoe aoi aom aoo aor aot aou ar- ara arb arc are ari arm aro arr art aru at- ata atb atc ate ati atm ato atr att atu au- aua aub auc aue aui aum auo aur aut b-u baa bab bac bae bai bam bao bar bat bau bba bbb bbc bbe bbi bbm bbo bbr bbt bbu bca bcb bcc bce bci bcm bco bcr bct bcu be- bea beb bec bee bei bem beo ber bet beu bi- bia bib bic bie bii bim bio bir bit biu bma bmb bmc bme bmi bmm bmo bmr bmt bmu boa bob boc boe boi bom boo bor bot bou bra brb bre bri brm bro brr brt bru bta btb btc bte bti btm bto btr btt btu bua bub buc bue bui bum buo bur but buu c-- caa cab cac cae cai cam cao car cat cau cba cbb cbc cbe cbi cbm cbo cbr cbt cbu cca ccb ccc cce cci ccm cco ccr cct ccu ce- cea ceb cec cee cei cem ceo cer cet ceu ci- cia cib cic cie cii cim cio cir cit ciu cma cmb cmc cme cmi cmm cmo cmr cmt cmu co- coa cob coc coe coi com coo cor cot cou cra crb crc cre cri crm cro crr crt cru cta ctb ctc cte cti ctm cto ctr ctt ctu cua cub cuc cue cui cum cuo cur cut cuu eaa eab eac eae eai eam eao ear eat eau eba ebb ebc ebe ebi ebm ebo ebr ebt ebu ec- eca ecb ecc ece eci ecm eco ecr ect ecu eea eeb eec eee eem eeo eer eet eia eib eic eie eii eim eio eir eit eiu em- ema emb emc eme emi emm emo emr emt emu eo- eoa eob eoc eoe eoi eom eoo eor eot eou era erb erc ere eri erm ero err ert eru eta etb etc ete eti etm eto etr ett etu eu- eua eub euc eue eui eur eut ia- iaa iab iac iae iai iam iao iar iat iau iba ibb ibc ibe ibi ibm ibo ibr ibt ibu ica icb icc ice ici icm ico icr ict icu ie- iea iec iee iei iem ier iet iia iib iic iie iii iim iio iir iit iiu im- ima imb imc ime imi imm imo imt imu io- ioa iob ioc ioe ioi iom ioo ior iot iou ir- ira irb irc ire iri irm iro irr irt iru ita itb itc ite iti itm ito itt itu iu- iua iub iuc iue iui ium iur iut m-o m-r maa mab mac mae mai mam mao mar mat mau mba mbb mbc mbe mbi mbm mbo mbr mbt mbu mc- mca mcb mcc mce mci mcm mco mcr mct mcu mea meb mec mee mei mem meo mer met meu mi- mia mib mic mie mii mim mio mir mit miu mma mmb mmc mme mmi mmm mmo mmr mmt mmu moa mob moc moe moi mom moo mor mot mou mra mrb mrc mre mri mrm mro mrr mrt mru mta mtb mtc mte mti mtm mto mtr mtt mtu mua mub muc mue mui mum mur mut muu o-i oaa oab oac oae oai oam oao oar oat oau ob- oba obb obc obe obi obm obo obr obt obu oc- oca ocb occ oci ocm oco ocr oct ocu oea oeb oec oee oei oem oeo oer oet oia oib oic oie oii oim oio oir oit oiu om- oma omb omc ome omi omm omo omr omt omu oo- ooa oob ooc ooi oom ooo oor oot or- ora orb orc ore ori orm oro orr ort oru ot- ota otb otc ote oti otm oto otr ott otu ou- oua ouc oue oui oum ouo our out ra- raa rab rac rae rai ram rao rar rat rau rba rbb rbc rbe rbi rbm rbo rbr rbt rbu rca rcb rcc rce rci rcm rco rcr rct rcu re- rea reb rec ree rei rem reo rer ret reu ria rib ric rie rii rim rio rir rit rma rmb rmc rme rmi rmm rmo rmr rmt roa rob roc roe roi rom roo ror rot rou rra rrb rrc rri rrm rrr rrt rru rta rtb rtc rte rti rtm rto rtr rtt rtu rua rub ruc rue rui rum ruo rur rut ruu taa tab tac tae tai tam tao tar tat tau tba tbb tbc tbe tbi tbm tbo tbr tbt tbu tca tcb tcc tce tci tcm tco tcr tct tcu te- tea teb tec tee tei tem teo ter tet teu tia tib tic tie tii tim tio tir tit tiu tma tmb tmc tme tmi tmm tmo tmr tmt tmu to- toa tob toc toe toi tom too tor tot tou tra trb trc tre tri trm tro trr trt tru tta ttb ttc tte tti ttm tto ttr ttt ttu tua tub tuc tue tui tum tuo tur tut tuu ua- uaa uab uac uae uai uam uao uar uat uau uba ubb ubc ube ubi ubo ubr ubt ubu uca ucb ucc uce uci ucm uco ucr uct ucu uea ueb uec uee uei uem uer uet uia uib uic uie uii uim uio uir uit uiu um- uma umb umc ume umi umm umo umr umt umu uoa uob uoc uoe uom uoo uor uot ur- ura urb urc ure uri urm uro urr urt uru uta