-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aao aar aat aau aax ab- aba abb abc abe abi abo abr abt abu abx ac- aca acb acc ace aci aco acr act acu acx aea aeb aec aee aei aeo aer aet aeu aex ai- aia aib aic aie aii aio air ait aiu aix aoa aob aoc aoe aoi aoo aor aot aou aox ar- ara arb arc are ari aro arr art aru arx at- ata atb atc ate ati ato atr att atu atx au- aua aub auc aue aui auo aur aut aux ax- axa axe axi axo axr axt axx b-u baa bab bac bae bai bao bar bat bau bax bba bbb bbc bbe bbi bbo bbr bbt bbu bbx bca bcb bcc bce bci bco bcr bct bcu bcx be- bea beb bec bee bei beo ber bet beu bex bi- bia bib bic bie bii bio bir bit biu bix boa bob boc boe boi boo bor bot bou box bra brb bre bri bro brr brt bru brx bta btb btc bte bti bto btr btt btu btx bua bub buc bue bui buo bur but buu bux bxb bxi bxo bxx c-- caa cab cac cae cai cao car cat cau cax cba cbb cbc cbe cbi cbo cbr cbt cbu cbx cca ccb ccc cce cci cco ccr cct ccu ccx ce- cea ceb cec cee cei ceo cer cet ceu cex ci- cia cib cic cie cii cio cir cit ciu cix co- coa cob coc coe coi coo cor cot cou cox cra crb crc cre cri cro crr crt cru crx cta ctb ctc cte cti cto ctr ctt ctu ctx cua cub cuc cue cui cuo cur cut cuu cxc cxi cxo cxr cxt cxx eaa eab eac eae eai eao ear eat eau eax eba ebb ebc ebe ebi ebo ebr ebt ebu ebx ec- eca ecb ecc ece eci eco ecr ect ecu ecx eea eeb eec eee eeo eer eet eex eia eib eic eie eii eio eir eit eiu eix eo- eoa eob eoc eoe eoi eoo eor eot eou era erb erc ere eri ero err ert eru eta etb etc ete eti eto etr ett etu etx eu- eua eub euc eue eui eur eut eux ex- exa exc exe exi exo exr ext exu exx ia- iaa iab iac iae iai iao iar iat iau iba ibb ibc ibe ibi ibo ibr ibt ibu ibx ica icb icc ice ici ico icr ict icu ie- iea iec iee iei ier iet iex iia iib iic iie iii iio iir iit iiu iix io- ioa iob ioc ioe ioi ioo ior iot iou ir- ira irb irc ire iri iro irr irt iru irx ita itb itc ite iti ito itt itu itx iu- iua iub iuc iue iui iur iut ixc ixe ixi o-i oaa oab oac oae oai oao oar oat oau oax ob- oba obb obc obe obi obo obr obt obu obx oc- oca ocb occ oci oco ocr oct ocu ocx oea oeb oec oee oei oeo oer oet oex oia oib oic oie oii oio oir oit oiu oo- ooa oob ooc ooi ooo oor oot oox or- ora orb orc ore ori oro orr ort oru orx ot- ota otb otc ote oti oto otr ott otu ou- oua ouc oue oui ouo our out ox- oxa oxb oxc oxi oxo oxt oxx ra- raa rab rac rae rai rao rar rat rau rax rba rbb rbc rbe rbi rbo rbr rbt rbu rbx rca rcb rcc rce rci rco rcr rct rcu rcx re- rea reb rec ree rei reo rer ret reu rex ria rib ric rie rii rio rir rit rix roa rob roc roe roi roo ror rot rou rox rra rrb rrc rri rrr rrt rru rta rtb rtc rte rti rto rtr rtt rtu rtx rua rub ruc rue rui ruo rur rut ruu rux rxr t-x taa tab tac tae tai tao tar tat tau tax tba tbb tbc tbe tbi tbo tbr tbt tbu tca tcb tcc tce tci tco tcr tct tcu tcx te- tea teb tec tee tei teo ter tet teu tex tia tib tic tie tii tio tir tit tiu tix to- toa tob toc toe toi too tor tot tou tox tra trb trc tre tri tro trr trt tru trx tta ttb ttc tte tti tto ttr ttt ttu ttx tua tub tuc tue tui tuo tur tut tuu tux txe txi txt txu ua- uaa uab uac uae uai uao uar uat uau uba ubb ubc ube ubi ubo ubr ubt ubu ubx uca ucb ucc uce uci uco ucr uct ucu uea ueb uec uee uei uer uet uia uib uic uie uii uio uir uit uiu uoa uob uoc uoe uoo uor uot uox ur- ura urb urc ure uri uro urr urt uru urx uta utb utc ute uti uto utr utt utu utx uua uuc uue uur uut uuu uxb uxc uxo uxr uxt uxu xaa xac xar xat xau xbc xbe xbr xbx xcb xci xcr xcx xee xer xet xeu xex xia xic xie xii xio xit xiu xix xoa xoc xoi xoo xor xot xox xrc xrt xrx xtc xti xtr xtx xue xui xxi xxo xxx

a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aace aaci aaco aacr aact aacu aaea aaec aaib aaic aaii aaoe aaoo aara aarc aare aari aaro aart aaru aata aatc aatt abaa abab abac abae abai abar abat abau abax abb- abba abbb abbe abbi abbo abbr abbt abca abcb abcc abci abcr abct abec abee aber abet abia abib abic abie abir abit abiu aboa abob aboo abor abot abou abox abra abrc abri abro abta abtu abua abue abut ac-t acaa acab acac acae acai acar acat acba