-ic a-a a-b a-c a-i a-t aaa aab aac aai aao aar aat aau ab- aba abb abc abi abo abr abt abu ac- aca acb acc aci aco acr act acu ai- aia aib aic aii aio air ait aiu aoa aob aoc aoi aoo aor aot aou ar- ara arb arc ari aro arr art aru at- ata atb atc ati ato atr att atu au- aua aub auc aui auo aur aut b-u baa bab bac bai bao bar bat bau bba bbb bbc bbi bbo bbr bbt bbu bca bcb bcc bci bco bcr bct bcu bi- bia bib bic bii bio bir bit biu boa bob boc boi boo bor bot bou bra brb bri bro brr brt bru bta btb btc bti bto btr btt btu bua bub buc bui buo bur but buu c-- caa cab cac cai cao car cat cau cba cbb cbc cbi cbo cbr cbt cbu cca ccb ccc cci cco ccr cct ccu ci- cia cib cic cii cio cir cit ciu co- coa cob coc coi coo cor cot cou cra crb crc cri cro crr crt cru cta ctb ctc cti cto ctr ctt ctu cua cub cuc cui cuo cur cut cuu ia- iaa iab iac iai iao iar iat iau iba ibb ibc ibi ibo ibr ibt ibu ica icb icc ici ico icr ict icu iia iib iic iii iio iir iit iiu io- ioa iob ioc ioi ioo ior iot iou ir- ira irb irc iri iro irr irt iru ita itb itc iti ito itt itu iu- iua iub iuc iui iur iut o-i oaa oab oac oai oao oar oat oau ob- oba obb obc obi obo obr obt obu oc- oca ocb occ oci oco ocr oct ocu oia oib oic oii oio oir oit oiu oo- ooa oob ooc ooi ooo oor oot or- ora orb orc ori oro orr ort oru ot- ota otb otc oti oto otr ott otu ou- oua ouc oui ouo our out ra- raa rab rac rai rao rar rat rau rba rbb rbc rbi rbo rbr rbt rbu rca rcb rcc rci rco rcr rct rcu ria rib ric rii rio rir rit roa rob roc roi roo ror rot rou rra rrb rrc rri rrr rrt rru rta rtb rtc rti rto rtr rtt rtu rua rub ruc rui ruo rur rut ruu taa tab tac tai tao tar tat tau tba tbb tbc tbi tbo tbr tbt tbu tca tcb tcc tci tco tcr tct tcu tia tib tic tii tio tir tit tiu to- toa tob toc toi too tor tot tou tra trb trc tri tro trr trt tru tta ttb ttc tti tto ttr ttt ttu tua tub tuc tui tuo tur tut tuu ua- uaa uab uac uai uao uar uat uau uba ubb ubc ubi ubo ubr ubt ubu uca ucb ucc uci uco ucr uct ucu uia uib uic uii uio uir uit uiu uoa uob uoc uoo uor uot ur- ura urb urc uri uro urr urt uru uta utb utc uti uto utr utt utu uua uuc uur uut uuu

a-ii aaaa aaab aaac aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aaci aaco aacr aact aacu aaib aaic aaii aaoo aara aarc aari aaro aart aaru aata aatc aatt abaa abab abac abai abar abat abau abb- abba abbb abbi abbo abbr abbt abca abcb abcc abci abcr abct abia abib abic abir abit abiu aboa abob aboo abor abot abou abra abrc abri abro abta abtu abua abut ac-t acaa acab acac acai acar acat acba acca accc acci acco acct accu aci- acia acic acir acoa acor acot acou acr- acra acrc acri acro acrr acta actc acti acto actt actu acu- acuo acur acut aiai aiba aibo aica aicc aicr aiia aiib aiic aiir aioc aioi aira airi airo airt aita aiti aitr aitt aitu aiui aoba aoca aora aorb aort aotc aout arab arac arai arar arat arau arba arbi arc- arca arci arco arct aria arib arii ario arit aroa arob aroi aroo aror arr- arra arrc arri arro arrr arrt arru arta artc arti arto artr arua arub arui arut at-t ataa atab atac atai atar atat atca atcc atco atcr atia atic atit atiu atob atoc atoi ator atot atra atrc atri atro atru atta atti atto attr attu atua atub atuc atur auaa auca auci auct aur- aura auri auro aut- auto ba-i baaa baar baat baba babb babi babo babr babu bac- baca bacc baci baco bact baia baib baic baio bair bait bar- bara barb barc bari baro barr bart baru bata batc bati bato batt batu bau- baur bbau bbbb bbci bbrc bcaa bcar bcat bcbc bcca bccc bcci bcia bcit bcor bcra bcru bctc bcuc biao biar biat biba bibb bibi bibo bica bicc bici bico bio- bioc bioi biot biou bira birb biri biro birr birt biru bita bitc bito bitt bitu boab boac boai boar boat boba bobb bobi bobo bobu boca boco bocu boi- boii boit boiu boob booc boor boot bor- bora bori boro borr bort boru bota botb boti boto bott boua bour bout brab brac brai brao brat brau brca brcb bria bric brio brit broa brob broc broo bror brot brou brrr brtc bruc brut btaa btcc btob btor btrc btrt bttb buar buat buba bubb bubi bubo bubu buca bucc buci buco bucu buic buir buit buiu bur- bura burb buri buro burr burt buru but- buta buti buto butt c-bo caaa caab caac caat caba cabi cabo cabu cac- caca cacc caci caco cacr caia caib caic caio cair cait caiu caoi caor cara carb carc cari caro carr cart cat- cata catb catc cati cato catt catu cauc cauo caut cbac cbar cbat cbbc cbca cbcc cbcr cbct cbcu cbia cbir cbit cbot cbrt cbta cbtc ccaa ccab ccac ccai ccar ccat ccba ccbc ccca cccb