-er a-a a-b a-i a-q a-t aaa aab aae aai aao aaq aar aat aau ab- aba abb abe abi abo abq abr abt abu aea aeb aee aei aeo aeq aer aet aeu ai- aia aib aie aii aio aiq air ait aiu aoa aob aoe aoi aoo aor aot aou aqa aqi aqo aqr aqt ar- ara arb are ari aro arq arr art aru at- ata atb ate ati ato atr att atu au- aua aub aue aui auo aur aut b-u baa bab bae bai bao baq bar bat bau bba bbb bbe bbi bbo bbq bbr bbt bbu be- bea beb bee bei beo beq ber bet beu bi- bia bib bie bii bio bir bit biu boa bob boe boi boo boq bor bot bou bqe bqt bra brb bre bri bro brq brr brt bru bta btb bte bti bto btq btr btt btu bua bub bue bui buo bur but buu eaa eab eae eai eao ear eat eau eba ebb ebe ebi ebo ebq ebr ebt ebu eea eeb eee eeo eer eet eia eib eie eii eio eir eit eiu eo- eoa eob eoe eoi eoo eoq eor eot eou eqa eqe eqq eqt equ era erb ere eri ero erq err ert eru eta etb ete eti eto etr ett etu eu- eua eub eue eui eur eut ia- iaa iab iae iai iao iaq iar iat iau iba ibb ibe ibi ibo ibr ibt ibu ie- iea iee iei ier iet iia iib iie iii iio iir iit iiu io- ioa iob ioe ioi ioo ior iot iou iqa iqe iqt iqu ir- ira irb ire iri iro irq irr irt iru ita itb ite iti ito itq itt itu iu- iua iub iue iui iur iut o-i oaa oab oae oai oao oaq oar oat oau ob- oba obb obe obi obo obr obt obu oea oeb oee oei oeo oer oet oia oib oie oii oio oir oit oiu oo- ooa oob ooi ooo oor oot oqb oqo or- ora orb ore ori oro orr ort oru ot- ota otb ote oti oto otr ott otu ou- oua oue oui ouo our out qaa qar qat qau qba qbe qbq qee qeo qet qie qio qir qit qiu qoi qoo qor qqq qqu qra qrb qre qri qrt qru qta qti qto qtq qtr qu- qua que qui quo qur qut ra- raa rab rae rai rao raq rar rat rau rba rbb rbe rbi rbo rbr rbt rbu re- rea reb ree rei reo req rer ret reu ria rib rie rii rio riq rir rit roa rob roe roi roo ror rot rou rra rrb rri rrq rrr rrt rru rta rtb rte rti rto rtq rtr rtt rtu rua rub rue rui ruo rur rut ruu taa tab tae tai tao taq tar tat tau tba tbb tbe tbi tbo tbr tbt tbu te- tea teb tee tei teo teq ter tet teu tia tib tie tii tio tir tit tiu to- toa tob toe toi too toq tor tot tou tqo tra trb tre tri tro trq trr trt tru tta ttb tte tti tto ttr ttt ttu tua tub tue tui tuo tur tut tuu ua- uaa uab uae uai uao uaq uar uat uau uba ubb ube ubi ubo ubr ubt ubu uea ueb uee uei uer uet uia uib uie uii uio uiq uir uit uiu uoa uob uoe uoo uor uot ur- ura urb ure uri uro urr urt uru uta utb ute uti uto utr utt utu uua uue uur uut uuu