mrbb mrbm mrbs mreb mree mres mrkr mrsa mrse msaa msar msas msba msea msee msem msma msmb msmm msms msoa msor msra msrb mssa mssm mssr o-eo oaer oaes oake oaks oama oams oara oare oars oase oass obak obas obba obbo obea ober obes obkb oboe obok obor obos obra obre obro obsr obss oeme oera oere oerm oers oese okak okam okas oker okes okka okko okmo okok okom okor okra okre okro oksa okso omak omam omao omar omas ombe ombo omee omeo omer omes omma omo- omoa omoe omoo omor omra omre omro omsa omsk ooaa ooak ooba oobe ooer ooes ooma oome ooms oooo ooos oora oore oosa oose orab orae orak oram orao orar oras orba orbb orbe orbo orbs ore- orea oreb orek orem oreo orer ores orka orke orko orma orme ormo oro- oroe orok orom oror oros orra orro orrs orsa orse orsk orso osak osam osar osas osba osbe osea osee osek osem oser oses osm- osme osmo osoo osor osos osro ossa ossb osse osso raab raak raam raas raba rabb rabe rabk rabo rabs raer raes raka rake rakk rama ramb rame ramm ramo rams raob raok raom raos rara rarb rare rark raro rars rasa rase rask rasm raso rass rbbb rbbr rbbs rbmk rbms rbss rea- reae reak ream reao rear reas reba rebb rebe rebk rebo rebs reeb reek reem rees reka reke reko reks rema reme remo rems reos rera rere rero rers resa rese reso ress rkos rkss rmas rmbs roab roak roam roar roas rob- roba robb robe robo robs roea roer roes roka roke rokk roko rokr roks roma romb rome romk romm romo roms roob rook room roor roos rora rore rork roro rosa rose roso ross rras rrkm rrrr rsaa rsee rsma rsme rsos rsre rssa s-os saab saae saak saam saar saas saba sabb sabe sabo sabr sabs saeb saek saer saes saka sakb sake sakk sako saks sam- sama same samm samo sams saor saos sara sare sark sarm saro sarr sars sasa sase sask sasm saso sass sbaa sbar sbas sbbs sber sbma sbor sbrk sbsa sbse se-e se-k se-o se-s seaa seab seak seam sear seas seba sebe sebo sebs seea seeb seek seem seer sees seka seke sekk seko sema seme sems seok sera serb sere serk serm sero serr sers sesa sese seso sess skab skar skee skem skeo sker skes skoe skor skra skss smaa smak smas smba smbe smea smeb smee smkb smok smos smrk smss soak soam soar soas soba sobe sobo sobr sobs soea soem soeo soes soka soke sokk soko soma somb some somm somo sook soom soor soos sora sorb sore sorm soro sorr sors sosa sose soso soss sram sras sreb srem sreo sres sros ssaa ssab ssam ssao ssas ssbr ssee ssem sses ssra ssrm ssrs sssa sssb sssm ssss