a-a a-b a-i a-t aaa aab aai aao aap aar aat aax ab- aba abb abi abo abp abr abt abx ai- aia aib aii aio aip air ait aix aoa aob aoi aoo aop aor aot aox ap- apa apb api apo app apr apt apx ar- ara arb ari aro arp arr art arx at- ata atb ati ato atp atr att atx ax- axa axi axo axp axr axt axx b-p baa bab bai bao bap bar bat bax bba bbb bbi bbo bbp bbr bbt bbx bi- bia bib bii bio bip bir bit bix boa bob boi boo bop bor bot box bpa bpb bpi bpo bpp bpr bpt bpx bra brb bri bro brp brr brt brx bta btb bti bto btp btr btt btx bxb bxi bxo bxx ia- iaa iab iai iao iap iar iat iba ibb ibi ibo ibp ibr ibt ibx iia iib iii iio iip iir iit iix io- ioa iob ioi ioo iop ior iot ipa ipb ipi ipo ipp ipr ipt ipx ir- ira irb iri iro irp irr irt irx ita itb iti ito itp itt itx ixi o-i oaa oab oai oao oap oar oat oax ob- oba obb obi obo obp obr obt obx oia oib oii oio oip oir oit oo- ooa oob ooi ooo oop oor oot oox op- opa opb opi opo opp opr opt opx or- ora orb ori oro orp orr ort orx ot- ota otb oti oto otp otr ott ox- oxa oxb oxi oxo oxt oxx p-p paa pab pai pao pap par pat pax pba pbb pbi pbo pbp pbr pbt pbx pia pib pii pio pip pir pit pix poa pob poi poo pop por pot pox ppa ppb ppi ppo ppp ppr ppt ppx pra prb pri pro prp prr prt prx pt- pta ptb pti pto ptp ptr ptt ptx pxr pxt ra- raa rab rai rao rap rar rat rax rba rbb rbi rbo rbp rbr rbt rbx ria rib rii rio rip rir rit rix roa rob roi roo rop ror rot rox rpa rpb rpi rpo rpp rpr rpt rpx rra rrb rri rrp rrr rrt rta rtb rti rto rtp rtr rtt rtx rxp rxr t-x taa tab tai tao tap tar tat tax tba tbb tbi tbo tbp tbr tbt tia tib tii tio tip tir tit tix to- toa tob toi too top tor tot tox tpa tpb tpi tpo tpp tpr tpt tpx tra trb tri tro trp trr trt trx tta ttb tti tto ttp ttr ttt ttx txi txt xaa xap xar xat xbr xbx xia xii xio xit xix xoa xoi xoo xop xor xot xox xpa xpb xpo xpp xpt xrt xrx xti xtp xtr xtx xxi xxo xxp xxx

a-ii aaaa aaab aaai aaap aaar aaba aabb aabi aabp aabt aaib aaii aaoo aapa aapi aapo aapt aara aari aaro aarp aart aata aatt abaa abab abai abap abar abat abax abb- abba abbb abbi abbo abbr abbt abia abib abir abit aboa abob aboo abor abot abox abpa abpi abpp abpr abra abri abro abta aiai aiba aibo aiia aiib aiir aioi aipa aipi aira airi airo airp airt airx aita aiti aitr aitt aixa aixi aoba aopo aora aorb aort apai apao apap apar apat apax apba apbr api- apia apio apip apit apix apo- apoo apop apor apot apox appa appr appt appx apra apri apro aprt apta apti aptt aptx arab arai arap arar arat arax arba arbi aria arib arii ario arip arit aroa arob aroi aroo aror arpa arpi arr- arra arri arro arrr arrt arta arti arto artr artx at-t at-x ataa atab atai atap atar atat atax atia atip atit atob atoi atop ator atot atpr atra atri atro atrp atrx atta atti atto attp attr axar axat axi- axia axo- axoa axto axxo ba-i ba-x baaa baar baat baba babb babi babo babr baia baib baio bair bait baix bapa bapi bapp bapt bar- bara barb bari baro barr bart barx bata bati bato batt baxi baxt bbbb bbox bbpr biao biap biar biat biba bibb bibi bibo bio- bioi biot biox bipa bipp bira birb biri biro birr birt birx bita bito bitt bitx bixa bixi boab boai boar boat boba bobb bobi bobo boi- boii boit boob boop boor boot boox bopa bopp bor- bora bori boro borr bort bota botb boti boto bott boxa bpai bpot bpti brab brai brao brat brax bria brio brit brix broa brob broo bror brot brox brrr btaa btbp btob btor btrt bttb iaaa iaai iaap iaat iaba iaia iapa iapp iapt iapx iara iart iata iati ibar ibat ibia ibot ibox ibra ibri ibro ibtb iiii iiio iiit iioi iioo iiop iipa iira iita iitr iitt ioba iobi ioii ioio ioit iooi iooo iora iori iota ioto ipat ipba ipix ipop ippa ippo ippr ipri ipta ipto irai irao irap irar irbp iri- iria irio irip irix irob irop irpa irra irri irta irti irtp itaa itai itap itar itat itia itoi itoo itor itpa itra itri itta itto ixia ixxi oapi oara obai obba obbo obia obit obix oboi obor obot obox obra obri obro oiba oiii oira oirt oita oiti ooaa ooba oobi ooia oooo oora oort ootb ootp opap opar opia opii opio opit opo- opor oppa oppi oppo opra opti opto orab orai orao orar orat orba orbb orbi orbo ori- oria orio orit orix oro- oror orot orpi orra orri orro orta orto otap otar otit oto- otoo otor otpp otra otro otta otti otto oxa- oxi- oxia oxo- oxox oxxo paap paar paat paba pabt pabx paia paib paio paip pair pait paix paox papa papb papi papp papr par- para pari paro parp parr part pata pati pato patr patt paxi paxo pbar pbpa piai piao piat pibb pibi piia piip piob piot pipa pipi pipo pipp pira piri piro pirr pita piti pito pitr