-ic a-a a-b a-c a-i a-t aaa aab aac aai aak aao aar aas aat aaw aay ab- aba abb abc abi abk abo abr abs abt abw aby ac- aca acb acc aci ack aco acr acs act acw acy ai- aia aib aic aii aik aio air ais ait aiw aiy aka akb akc aki akk ako akr aks akw aoa aob aoc aoi aok aoo aor aos aot aow ar- ara arb arc ari ark aro arr ars art arw ary as- asa asb asc asi ask aso asr ass ast asw asy at- ata atb atc ati ato atr ats att atw aw- awa awb awc awi awk awo awr aws awt aww awy ay- aya ayc ayi ayk ayo ayr ays ayt ayw baa bab bac bai bak bao bar bas bat baw bay bba bbb bbc bbi bbk bbo bbr bbs bbt bbw bby bca bcb bcc bci bck bco bcr bcs bct bcy bi- bia bib bic bii bik bio bir bis bit biw biy bka bkb bkc bkk bko bkr bks bkt bkw boa bob boc boi bok boo bor bos bot bow boy bra brb bri brk bro brr brs brt brw bry bsa bsb bsc bsi bsk bso bsr bss bst bsw bsy bta btb btc bti btk bto btr bts btt btw bty bwa bwb bwc bwi bwk bwo bwr bws bwy by- bya byc byi byk byo byr bys byt c-- caa cab cac cai cak cao car cas cat caw cay cba cbb cbc cbi cbk cbo cbr cbs cbt cbw cby cca ccb ccc cci cck cco ccr ccs cct ccw ci- cia cib cic cii cik cio cir cis cit ciw cka ckb ckc cki cko cks ckt ckw cky co- coa cob coc coi cok coo cor cos cot cow coy cra crb crc cri crk cro crr crs crt crw cry csa csb csc csi csk cso csr css cst csw csy cta ctb ctc cti ctk cto ctr cts ctt ctw cty cw- cwa cwb cwc cwi cwk cwo cwr cws cwt cya cyb cyc cyk cyo cyr cys cyt cyw ia- iaa iab iac iai iao iar ias iat iaw iba ibb ibc ibi ibk ibo ibr ibs ibt ibw iby ica icb icc ici ick ico icr ics ict icw icy iia iib iic iii iio iir iis iit iiw ika ikb ikc iki ikk iko ikr iks ikt io- ioa iob ioc ioi ioo ior ios iot iow ir- ira irb irc iri irk iro irr irs irt iry is- isa isb isc isi isk iso isr iss ist isw isy ita itb itc iti itk ito its itt ity iwa iwb iwc iwi iwk iwo iwr iws iwt iww iya iyc iyo iyr iys iyt iyy k-t ka- kaa kab kac kai kak kao kar kas kat kaw kay kba kbb kbc kbi kbk kbo kbr kbs kbw kca kcb kcc kci kck kcr kcs kct kia kib kic kii kik kio kir kis kit kkb kkc kki kkk kkr kks kkt kky koa kob koc koi kok koo kor kos kot kow koy kra krc kri krk kro krr krs krt krw kry ksa ksb ksc ksi ksk kso ksr kss kst ksw kta ktb ktc ktk kto ktr kts ktt ktw kw- kwa kwc kwi kwk kwo kws kwt kww kya kyc kyo kyr kys kyt kyw o-i oaa oab oac oai oak oao oar oas oat oaw ob- oba obb obc obi obk obo obr obs obt obw oby oc- oca ocb occ oci ock oco ocr ocs oct ocw oia oib oic oii oik oio oir ois oit oka okb okc oki okk oko okr oks okw oo- ooa oob ooc ooi ook ooo oor oos oot oow or- ora orb orc ori ork oro orr ors ort ory os- osa osb osc osi osk oso osr oss ost osw ot- ota otb otc oti otk oto otr ots ott otw owa owb owc owi owk owo ows owt oww oya oyi oyo oys ra- raa rab rac rai rak rao rar ras rat raw ray rba rbb rbc rbi rbk rbo rbr rbs rbt rbw rca rcb rcc rci rco rcr rcs rct rcw ria rib ric rii rik rio rir ris rit riy rkb rkc rkk rko rks rkt rky roa rob roc roi rok roo ror ros rot row roy rra rrb rrc rri rrk rrr rrs rrt rsa rsb rsc rsi rsk rso rsr rss rst rsw rta rtb rtc rti rtk rto rtr rts rtt rtw rty rwa rwb rwc rwi rwr rws rwy ry- rya ryc ryk ryo ryr rys ryy saa sab sac sai sak sao sar sas sat saw say sba sbb sbc sbi sbk sbo sbr sbs sbt sbw sby sca scb scc sci sck sco scr scs sct scw sia sib sic sii sik sio sir sis sit siw sk- ska skb skc ski skk sko skr sks skt skw sky soa sob soc soi sok soo sor sos sot sow soy sr- sra srb src sri srk sro srr srs srt srw sry ss- ssa ssb ssc ssi ssk sso ssr sss sst ssw sta stb stc sti stk sto str sts stt stw sty swa swb swc swi swk swo swr sws swt swy sy- sya syb syc syi syk syr sys syt taa tab tac tai tak tao tar tas tat taw tay tba tbb tbc tbi tbk tbo tbr tbs tbt tca tcb tcc tci tck tco tcr tcs tct tcw tia tib tic tii tik tio tir tis tit tiw tiy tka tkb tkc tkk tko tkr tks tkt tkw tky to- toa tob toc toi tok too tor tos tot tow toy tra trb trc tri trk tro trr trs trt trw try tsa tsb tsc tsi tsk tso tsr tss tst tsw tsy tta ttb ttc tti ttk tto ttr tts ttt ttw tty twa twb twc