-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aai aar aat aau ab- aba abb abc abe abf abi abr abt abu ac- aca acb acc ace acf aci acr act acu aea aeb aec aee aef aei aer aet aeu af- afa afb afc afe aff afi afr aft afu ai- aia aib aic aie aif aii air ait aiu ar- ara arb arc are arf ari arr art aru at- ata atb atc ate atf ati atr att atu au- aua aub auc aue auf aui aur aut b-u baa bab bac bae baf bai bar bat bau bba bbb bbc bbe bbf bbi bbr bbt bbu bca bcb bcc bce bcf bci bcr bct bcu be- bea beb bec bee bef bei ber bet beu bfa bfb bfc bfe bff bfi bfr bft bfu bi- bia bib bic bie bif bii bir bit biu bra brb bre brf bri brr brt bru bta btb btc bte btf bti btr btt btu bua bub buc bue buf bui bur but buu c-- caa cab cac cae caf cai car cat cau cba cbb cbc cbe cbf cbi cbr cbt cbu cca ccb ccc cce ccf cci ccr cct ccu ce- cea ceb cec cee cef cei cer cet ceu cfa cfb cfc cfe cff cfi cfr cft cfu ci- cia cib cic cie cif cii cir cit ciu cra crb crc cre crf cri crr crt cru cta ctb ctc cte ctf cti ctr ctt ctu cua cub cuc cue cuf cui cur cut cuu eaa eab eac eae eaf eai ear eat eau eba ebb ebc ebe ebf ebi ebr ebt ebu ec- eca ecb ecc ece ecf eci ecr ect ecu eea eeb eec eee eef eer eet ef- efa efb efc efe eff efi efr eft eia eib eic eie eif eii eir eit eiu era erb erc ere erf eri err ert eru eta etb etc ete etf eti etr ett etu eu- eua eub euc eue euf eui eur eut faa fab fac fae faf fai far fat fau fba fbb fbc fbe fbf fbi fbr fbt fbu fca fcb fcc fce fcf fci fcr fct fcu fea feb fec fee fef fei fer fet feu ffa ffc ffe fff ffi ffr fft ffu fia fib fic fie fif fii fir fit fiu fra frb frc fre frf fri frr frt fru fta ftb ftc fte ftf fti ftr ftt ftu fua fub fue fuf fui fur fut fuu i-f ia- iaa iab iac iae iaf iai iar iat iau iba ibb ibc ibe ibf ibi ibr ibt ibu ica icb icc ice icf ici icr ict icu ie- iea iec iee ief iei ier iet ifa ifb ifc ife iff ifi ifr ift ifu iia iib iic iie iif iii iir iit iiu ir- ira irb irc ire irf iri irr irt iru ita itb itc ite itf iti itt itu iu- iua iub iuc iue iui iur iut ra- raa rab rac rae raf rai rar rat rau rba rbb rbc rbe rbf rbi rbr rbt rbu rca rcb rcc rce rcf rci rcr rct rcu re- rea reb rec ree ref rei rer ret reu rfa rfb rfc rfe rff rfi rfr rft rfu ria rib ric rie rif rii rir rit rra rrb rrc rrf rri rrr rrt rru rta rtb rtc rte rtf rti rtr rtt rtu rua rub ruc rue ruf rui rur rut ruu taa tab tac tae taf tai tar tat tau tba tbb tbc tbe tbf tbi tbr tbt tbu tca tcb tcc tce tcf tci tcr tct tcu te- tea teb tec tee tef tei ter tet teu tfa tfb tfc tfe tff tfi tfr tft tfu tia tib tic tie tif tii tir tit tiu tra trb trc tre trf tri trr trt tru tta ttb ttc tte ttf tti ttr ttt ttu tua tub tuc tue tuf tui tur tut tuu ua- uaa uab uac uae uaf uai uar uat uau uba ubb ubc ube ubf ubi ubr ubt ubu uca ucb ucc uce ucf uci ucr uct ucu uea ueb uec uee uef uei uer uet ufa ufc ufe uff ufi ufr uft ufu uia uib uic uie uif uii uir uit uiu ur- ura urb urc ure urf uri urr urt uru uta utb utc ute utf uti utr utt utu uua uuc uue uur uut uuu

a-be a-fu a-ii aaaa aaab aaac aaae aaaf aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aace aacf aaci aacr aact aacu aaea aaec aafa aafb aafc aaff aafi aaib aaic aaii aara aarc aare aari aart aaru aata aatc aatf aatt abaa abab abac abae abaf abai abar abat abau abb- abba abbb abbe abbi abbr abbt abca abcb abcc abcf abci abcr abct abec abee aber abet abff abia abib abic abie abir abit abiu abra abrc abri abta abtu abua abue abuf abut ac-t acaa acab acac acae acai acar acat acba acca accc acce accf acci acct accu ace- acea acec acer acet acfc acfe acfi acft aci- acia acic acie acif acir acr- acra acrc acre acri acrr acta actc acte actf acti actt actu acu- acue acuf acur acut aeac aeaf aebi aecb aeci aect aeer aeit aer- aera aerc aeri aeta aetc aetf aetr aett afaa afar afat afca afcb afcc afci afcu afee afer afet affa affc affi afft afia afib afif afir afit afr- afra afrc afre afri afru afta aftc afte afua afue aiai aiba aica aicc aice aicf aicr aiea aiee aiet aiff aiia aiib aiic aiir aira aire airi airt aita aite aitf aiti aitr aitt aitu aiui arab arac arae araf arai arar arat arau arba arbe arbi arc- arca arce arci arct area arec aree aref arei aret areu arfa arfb arfc arff arft arfu aria arib arie arif arii arit arr- arra arrc arre arri arrr arrt arru arta artc arte